Home / 581,749.86-802,152.90-409,612.80

Finding the Fourth Proportional to 581,749.86, 802,152.90 and 409,612.80

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Solution

The fourth proportional to 581,749.86, 802,152.90 and 409,612.80 is: 564,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,749.86 : 802,152.90 = 409,612.80 : x
  2. Step 2: Convert to fraction form
    581,749.86/802,152.90 = 409,612.80/x
  3. Step 3: Cross multiply
    581,749.86x = 802,152.90 × 409,612.80
  4. Step 4: Simplify right side
    581,749.86x = 328,572,095,397.12
  5. Step 5: Solve for x
    x = 328,572,095,397.12/581,749.86
  6. Step 6: Final answer
    x = 564,799.61

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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.