Home / 987,363.60-1,480,024.80-537,133.20

Finding the Fourth Proportional to 987,363.60, 1,480,024.80 and 537,133.20

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Solution

The fourth proportional to 987,363.60, 1,480,024.80 and 537,133.20 is: 805,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,363.60 : 1,480,024.80 = 537,133.20 : x
  2. Step 2: Convert to fraction form
    987,363.60/1,480,024.80 = 537,133.20/x
  3. Step 3: Cross multiply
    987,363.60x = 1,480,024.80 × 537,133.20
  4. Step 4: Simplify right side
    987,363.60x = 794,970,456,903.36
  5. Step 5: Solve for x
    x = 794,970,456,903.36/987,363.60
  6. Step 6: Final answer
    x = 805,144.59

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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.