Home / 679,500.87-937,711.80-373,582.46

Finding the Fourth Proportional to 679,500.87, 937,711.80 and 373,582.46

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Solution

The fourth proportional to 679,500.87, 937,711.80 and 373,582.46 is: 515,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,500.87 : 937,711.80 = 373,582.46 : x
  2. Step 2: Convert to fraction form
    679,500.87/937,711.80 = 373,582.46/x
  3. Step 3: Cross multiply
    679,500.87x = 937,711.80 × 373,582.46
  4. Step 4: Simplify right side
    679,500.87x = 350,312,676,326.47
  5. Step 5: Solve for x
    x = 350,312,676,326.47/679,500.87
  6. Step 6: Final answer
    x = 515,544.12

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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.