Home / 971,411.40-1,457,117.10-551,507.40

Finding the Fourth Proportional to 971,411.40, 1,457,117.10 and 551,507.40

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Solution

The fourth proportional to 971,411.40, 1,457,117.10 and 551,507.40 is: 827,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,411.40 : 1,457,117.10 = 551,507.40 : x
  2. Step 2: Convert to fraction form
    971,411.40/1,457,117.10 = 551,507.40/x
  3. Step 3: Cross multiply
    971,411.40x = 1,457,117.10 × 551,507.40
  4. Step 4: Simplify right side
    971,411.40x = 803,610,863,316.54
  5. Step 5: Solve for x
    x = 803,610,863,316.54/971,411.40
  6. Step 6: Final answer
    x = 827,261.10

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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.