Home / 865,254.57-1,194,044.25-478,068.75

Finding the Fourth Proportional to 865,254.57, 1,194,044.25 and 478,068.75

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Solution

The fourth proportional to 865,254.57, 1,194,044.25 and 478,068.75 is: 659,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,254.57 : 1,194,044.25 = 478,068.75 : x
  2. Step 2: Convert to fraction form
    865,254.57/1,194,044.25 = 478,068.75/x
  3. Step 3: Cross multiply
    865,254.57x = 1,194,044.25 × 478,068.75
  4. Step 4: Simplify right side
    865,254.57x = 570,835,242,042.19
  5. Step 5: Solve for x
    x = 570,835,242,042.19/865,254.57
  6. Step 6: Final answer
    x = 659,730.98

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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.