Home / 1,098,029.52-1,515,348-614,624.76

Finding the Fourth Proportional to 1,098,029.52, 1,515,348 and 614,624.76

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Solution

The fourth proportional to 1,098,029.52, 1,515,348 and 614,624.76 is: 848,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,029.52 : 1,515,348 = 614,624.76 : x
  2. Step 2: Convert to fraction form
    1,098,029.52/1,515,348 = 614,624.76/x
  3. Step 3: Cross multiply
    1,098,029.52x = 1,515,348 × 614,624.76
  4. Step 4: Simplify right side
    1,098,029.52x = 931,370,400,816.48
  5. Step 5: Solve for x
    x = 931,370,400,816.48/1,098,029.52
  6. Step 6: Final answer
    x = 848,219.82

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Double scale
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Similar ratio
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1.5x scale

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.