Home / 821,639.10-1,233,625.05-506,711.10

Finding the Fourth Proportional to 821,639.10, 1,233,625.05 and 506,711.10

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Solution

The fourth proportional to 821,639.10, 1,233,625.05 and 506,711.10 is: 760,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,639.10 : 1,233,625.05 = 506,711.10 : x
  2. Step 2: Convert to fraction form
    821,639.10/1,233,625.05 = 506,711.10/x
  3. Step 3: Cross multiply
    821,639.10x = 1,233,625.05 × 506,711.10
  4. Step 4: Simplify right side
    821,639.10x = 625,091,506,073.06
  5. Step 5: Solve for x
    x = 625,091,506,073.06/821,639.10
  6. Step 6: Final answer
    x = 760,785.98

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Double scale
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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.