Home / 838,615.02-1,157,257.14-512,473.38

Finding the Fourth Proportional to 838,615.02, 1,157,257.14 and 512,473.38

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Solution

The fourth proportional to 838,615.02, 1,157,257.14 and 512,473.38 is: 707,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,615.02 : 1,157,257.14 = 512,473.38 : x
  2. Step 2: Convert to fraction form
    838,615.02/1,157,257.14 = 512,473.38/x
  3. Step 3: Cross multiply
    838,615.02x = 1,157,257.14 × 512,473.38
  4. Step 4: Simplify right side
    838,615.02x = 593,063,478,064.93
  5. Step 5: Solve for x
    x = 593,063,478,064.93/838,615.02
  6. Step 6: Final answer
    x = 707,193.96

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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.