Home / 653,606.40-977,785.20-565,834.80

Finding the Fourth Proportional to 653,606.40, 977,785.20 and 565,834.80

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Solution

The fourth proportional to 653,606.40, 977,785.20 and 565,834.80 is: 846,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,606.40 : 977,785.20 = 565,834.80 : x
  2. Step 2: Convert to fraction form
    653,606.40/977,785.20 = 565,834.80/x
  3. Step 3: Cross multiply
    653,606.40x = 977,785.20 × 565,834.80
  4. Step 4: Simplify right side
    653,606.40x = 553,264,893,084.96
  5. Step 5: Solve for x
    x = 553,264,893,084.96/653,606.40
  6. Step 6: Final answer
    x = 846,480.23

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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.