Home / 838,543.53-1,157,192.79-456,572.64

Finding the Fourth Proportional to 838,543.53, 1,157,192.79 and 456,572.64

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Solution

The fourth proportional to 838,543.53, 1,157,192.79 and 456,572.64 is: 630,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,543.53 : 1,157,192.79 = 456,572.64 : x
  2. Step 2: Convert to fraction form
    838,543.53/1,157,192.79 = 456,572.64/x
  3. Step 3: Cross multiply
    838,543.53x = 1,157,192.79 × 456,572.64
  4. Step 4: Simplify right side
    838,543.53x = 528,342,567,119.27
  5. Step 5: Solve for x
    x = 528,342,567,119.27/838,543.53
  6. Step 6: Final answer
    x = 630,071.72

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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.