Home / 1,031,402.38-1,547,420.28-492,346.52

Finding the Fourth Proportional to 1,031,402.38, 1,547,420.28 and 492,346.52

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Solution

The fourth proportional to 1,031,402.38, 1,547,420.28 and 492,346.52 is: 738,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,402.38 : 1,547,420.28 = 492,346.52 : x
  2. Step 2: Convert to fraction form
    1,031,402.38/1,547,420.28 = 492,346.52/x
  3. Step 3: Cross multiply
    1,031,402.38x = 1,547,420.28 × 492,346.52
  4. Step 4: Simplify right side
    1,031,402.38x = 761,866,989,835.43
  5. Step 5: Solve for x
    x = 761,866,989,835.43/1,031,402.38
  6. Step 6: Final answer
    x = 738,670.96

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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.