Home / 971,996.10-1,457,994.15-307,148.10

Finding the Fourth Proportional to 971,996.10, 1,457,994.15 and 307,148.10

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Solution

The fourth proportional to 971,996.10, 1,457,994.15 and 307,148.10 is: 460,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,996.10 : 1,457,994.15 = 307,148.10 : x
  2. Step 2: Convert to fraction form
    971,996.10/1,457,994.15 = 307,148.10/x
  3. Step 3: Cross multiply
    971,996.10x = 1,457,994.15 × 307,148.10
  4. Step 4: Simplify right side
    971,996.10x = 447,820,132,983.62
  5. Step 5: Solve for x
    x = 447,820,132,983.62/971,996.10
  6. Step 6: Final answer
    x = 460,722.15

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Half scale
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Double scale
Find fourth proportional to 971,997.10, 1,457,995.65 and 307,149.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.