Home / 883,981.40-1,325,972.10-293,005.40

Finding the Fourth Proportional to 883,981.40, 1,325,972.10 and 293,005.40

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Solution

The fourth proportional to 883,981.40, 1,325,972.10 and 293,005.40 is: 439,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,981.40 : 1,325,972.10 = 293,005.40 : x
  2. Step 2: Convert to fraction form
    883,981.40/1,325,972.10 = 293,005.40/x
  3. Step 3: Cross multiply
    883,981.40x = 1,325,972.10 × 293,005.40
  4. Step 4: Simplify right side
    883,981.40x = 388,516,985,549.34
  5. Step 5: Solve for x
    x = 388,516,985,549.34/883,981.40
  6. Step 6: Final answer
    x = 439,508.10

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Double scale
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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.