Home / 610,829.20-916,601.10-255,813.40

Finding the Fourth Proportional to 610,829.20, 916,601.10 and 255,813.40

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Solution

The fourth proportional to 610,829.20, 916,601.10 and 255,813.40 is: 383,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,829.20 : 916,601.10 = 255,813.40 : x
  2. Step 2: Convert to fraction form
    610,829.20/916,601.10 = 255,813.40/x
  3. Step 3: Cross multiply
    610,829.20x = 916,601.10 × 255,813.40
  4. Step 4: Simplify right side
    610,829.20x = 234,478,843,834.74
  5. Step 5: Solve for x
    x = 234,478,843,834.74/610,829.20
  6. Step 6: Final answer
    x = 383,869.74

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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.