Home / 1,031,415.55-1,547,440.05-492,359.69

Finding the Fourth Proportional to 1,031,415.55, 1,547,440.05 and 492,359.69

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Solution

The fourth proportional to 1,031,415.55, 1,547,440.05 and 492,359.69 is: 738,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,415.55 : 1,547,440.05 = 492,359.69 : x
  2. Step 2: Convert to fraction form
    1,031,415.55/1,547,440.05 = 492,359.69/x
  3. Step 3: Cross multiply
    1,031,415.55x = 1,547,440.05 × 492,359.69
  4. Step 4: Simplify right side
    1,031,415.55x = 761,897,103,311.59
  5. Step 5: Solve for x
    x = 761,897,103,311.59/1,031,415.55
  6. Step 6: Final answer
    x = 738,690.73

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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.