Home / 838,550.43-1,157,220.41-456,598.17

Finding the Fourth Proportional to 838,550.43, 1,157,220.41 and 456,598.17

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Solution

The fourth proportional to 838,550.43, 1,157,220.41 and 456,598.17 is: 630,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,550.43 : 1,157,220.41 = 456,598.17 : x
  2. Step 2: Convert to fraction form
    838,550.43/1,157,220.41 = 456,598.17/x
  3. Step 3: Cross multiply
    838,550.43x = 1,157,220.41 × 456,598.17
  4. Step 4: Simplify right side
    838,550.43x = 528,384,719,209.66
  5. Step 5: Solve for x
    x = 528,384,719,209.66/838,550.43
  6. Step 6: Final answer
    x = 630,116.81

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Double scale
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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.