Home / 1,554,024.90-2,331,037.35-489,393.30

Finding the Fourth Proportional to 1,554,024.90, 2,331,037.35 and 489,393.30

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Solution

The fourth proportional to 1,554,024.90, 2,331,037.35 and 489,393.30 is: 734,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,024.90 : 2,331,037.35 = 489,393.30 : x
  2. Step 2: Convert to fraction form
    1,554,024.90/2,331,037.35 = 489,393.30/x
  3. Step 3: Cross multiply
    1,554,024.90x = 2,331,037.35 × 489,393.30
  4. Step 4: Simplify right side
    1,554,024.90x = 1,140,794,061,139.76
  5. Step 5: Solve for x
    x = 1,140,794,061,139.76/1,554,024.90
  6. Step 6: Final answer
    x = 734,089.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.