Home / 688,230.30-1,032,345.45-546,512.70

Finding the Fourth Proportional to 688,230.30, 1,032,345.45 and 546,512.70

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Solution

The fourth proportional to 688,230.30, 1,032,345.45 and 546,512.70 is: 819,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,230.30 : 1,032,345.45 = 546,512.70 : x
  2. Step 2: Convert to fraction form
    688,230.30/1,032,345.45 = 546,512.70/x
  3. Step 3: Cross multiply
    688,230.30x = 1,032,345.45 × 546,512.70
  4. Step 4: Simplify right side
    688,230.30x = 564,189,899,212.22
  5. Step 5: Solve for x
    x = 564,189,899,212.22/688,230.30
  6. Step 6: Final answer
    x = 819,769.05

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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.