Home / 996,890.40-1,495,335.60-618,976.80

Finding the Fourth Proportional to 996,890.40, 1,495,335.60 and 618,976.80

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Solution

The fourth proportional to 996,890.40, 1,495,335.60 and 618,976.80 is: 928,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,890.40 : 1,495,335.60 = 618,976.80 : x
  2. Step 2: Convert to fraction form
    996,890.40/1,495,335.60 = 618,976.80/x
  3. Step 3: Cross multiply
    996,890.40x = 1,495,335.60 × 618,976.80
  4. Step 4: Simplify right side
    996,890.40x = 925,578,044,614.08
  5. Step 5: Solve for x
    x = 925,578,044,614.08/996,890.40
  6. Step 6: Final answer
    x = 928,465.20

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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.