Home / 987,167.54-1,480,875.84-338,870.06

Finding the Fourth Proportional to 987,167.54, 1,480,875.84 and 338,870.06

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Solution

The fourth proportional to 987,167.54, 1,480,875.84 and 338,870.06 is: 508,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,167.54 : 1,480,875.84 = 338,870.06 : x
  2. Step 2: Convert to fraction form
    987,167.54/1,480,875.84 = 338,870.06/x
  3. Step 3: Cross multiply
    987,167.54x = 1,480,875.84 × 338,870.06
  4. Step 4: Simplify right side
    987,167.54x = 501,824,484,753.35
  5. Step 5: Solve for x
    x = 501,824,484,753.35/987,167.54
  6. Step 6: Final answer
    x = 508,347.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.