Home / 840,587.52-1,160,079.48-478,124.76

Finding the Fourth Proportional to 840,587.52, 1,160,079.48 and 478,124.76

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Solution

The fourth proportional to 840,587.52, 1,160,079.48 and 478,124.76 is: 659,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,587.52 : 1,160,079.48 = 478,124.76 : x
  2. Step 2: Convert to fraction form
    840,587.52/1,160,079.48 = 478,124.76/x
  3. Step 3: Cross multiply
    840,587.52x = 1,160,079.48 × 478,124.76
  4. Step 4: Simplify right side
    840,587.52x = 554,662,722,955.93
  5. Step 5: Solve for x
    x = 554,662,722,955.93/840,587.52
  6. Step 6: Final answer
    x = 659,851.25

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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.