Home / 786,565.92-1,085,461.28-447,025.44

Finding the Fourth Proportional to 786,565.92, 1,085,461.28 and 447,025.44

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Solution

The fourth proportional to 786,565.92, 1,085,461.28 and 447,025.44 is: 616,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,565.92 : 1,085,461.28 = 447,025.44 : x
  2. Step 2: Convert to fraction form
    786,565.92/1,085,461.28 = 447,025.44/x
  3. Step 3: Cross multiply
    786,565.92x = 1,085,461.28 × 447,025.44
  4. Step 4: Simplify right side
    786,565.92x = 485,228,806,294.96
  5. Step 5: Solve for x
    x = 485,228,806,294.96/786,565.92
  6. Step 6: Final answer
    x = 616,895.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.