Home / 985,990.06-1,360,666.39-533,281.06

Finding the Fourth Proportional to 985,990.06, 1,360,666.39 and 533,281.06

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Solution

The fourth proportional to 985,990.06, 1,360,666.39 and 533,281.06 is: 735,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,990.06 : 1,360,666.39 = 533,281.06 : x
  2. Step 2: Convert to fraction form
    985,990.06/1,360,666.39 = 533,281.06/x
  3. Step 3: Cross multiply
    985,990.06x = 1,360,666.39 × 533,281.06
  4. Step 4: Simplify right side
    985,990.06x = 725,617,614,765.57
  5. Step 5: Solve for x
    x = 725,617,614,765.57/985,990.06
  6. Step 6: Final answer
    x = 735,927.92

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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.