Home / 838,549.18-1,157,545.62-634,657

Finding the Fourth Proportional to 838,549.18, 1,157,545.62 and 634,657

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Solution

The fourth proportional to 838,549.18, 1,157,545.62 and 634,657 is: 876,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,549.18 : 1,157,545.62 = 634,657 : x
  2. Step 2: Convert to fraction form
    838,549.18/1,157,545.62 = 634,657/x
  3. Step 3: Cross multiply
    838,549.18x = 1,157,545.62 × 634,657
  4. Step 4: Simplify right side
    838,549.18x = 734,644,430,552.34
  5. Step 5: Solve for x
    x = 734,644,430,552.34/838,549.18
  6. Step 6: Final answer
    x = 876,089.86

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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.