Home / 838,425.29-1,157,019.59-456,451.16

Finding the Fourth Proportional to 838,425.29, 1,157,019.59 and 456,451.16

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Solution

The fourth proportional to 838,425.29, 1,157,019.59 and 456,451.16 is: 629,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,425.29 : 1,157,019.59 = 456,451.16 : x
  2. Step 2: Convert to fraction form
    838,425.29/1,157,019.59 = 456,451.16/x
  3. Step 3: Cross multiply
    838,425.29x = 1,157,019.59 × 456,451.16
  4. Step 4: Simplify right side
    838,425.29x = 528,122,929,354.25
  5. Step 5: Solve for x
    x = 528,122,929,354.25/838,425.29
  6. Step 6: Final answer
    x = 629,898.62

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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.