Home / 927,512.40-1,390,458.60-359,281.20

Finding the Fourth Proportional to 927,512.40, 1,390,458.60 and 359,281.20

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Solution

The fourth proportional to 927,512.40, 1,390,458.60 and 359,281.20 is: 538,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,512.40 : 1,390,458.60 = 359,281.20 : x
  2. Step 2: Convert to fraction form
    927,512.40/1,390,458.60 = 359,281.20/x
  3. Step 3: Cross multiply
    927,512.40x = 1,390,458.60 × 359,281.20
  4. Step 4: Simplify right side
    927,512.40x = 499,565,634,358.32
  5. Step 5: Solve for x
    x = 499,565,634,358.32/927,512.40
  6. Step 6: Final answer
    x = 538,608.04

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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.