Home / 931,854.80-1,399,094.40-577,560.80

Finding the Fourth Proportional to 931,854.80, 1,399,094.40 and 577,560.80

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Solution

The fourth proportional to 931,854.80, 1,399,094.40 and 577,560.80 is: 867,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,854.80 : 1,399,094.40 = 577,560.80 : x
  2. Step 2: Convert to fraction form
    931,854.80/1,399,094.40 = 577,560.80/x
  3. Step 3: Cross multiply
    931,854.80x = 1,399,094.40 × 577,560.80
  4. Step 4: Simplify right side
    931,854.80x = 808,062,080,939.52
  5. Step 5: Solve for x
    x = 808,062,080,939.52/931,854.80
  6. Step 6: Final answer
    x = 867,154.50

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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.