Home / 905,050.92-1,248,929.88-542,674.80

Finding the Fourth Proportional to 905,050.92, 1,248,929.88 and 542,674.80

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Solution

The fourth proportional to 905,050.92, 1,248,929.88 and 542,674.80 is: 748,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,050.92 : 1,248,929.88 = 542,674.80 : x
  2. Step 2: Convert to fraction form
    905,050.92/1,248,929.88 = 542,674.80/x
  3. Step 3: Cross multiply
    905,050.92x = 1,248,929.88 × 542,674.80
  4. Step 4: Simplify right side
    905,050.92x = 677,762,772,843.02
  5. Step 5: Solve for x
    x = 677,762,772,843.02/905,050.92
  6. Step 6: Final answer
    x = 748,867.01

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Double scale
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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.