Home / 838,439.88-1,157,071.26-456,473.16

Finding the Fourth Proportional to 838,439.88, 1,157,071.26 and 456,473.16

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Solution

The fourth proportional to 838,439.88, 1,157,071.26 and 456,473.16 is: 629,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,439.88 : 1,157,071.26 = 456,473.16 : x
  2. Step 2: Convert to fraction form
    838,439.88/1,157,071.26 = 456,473.16/x
  3. Step 3: Cross multiply
    838,439.88x = 1,157,071.26 × 456,473.16
  4. Step 4: Simplify right side
    838,439.88x = 528,171,974,397.38
  5. Step 5: Solve for x
    x = 528,171,974,397.38/838,439.88
  6. Step 6: Final answer
    x = 629,946.15

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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.