Home / 953,481.60-1,428,148.80-578,851.20

Finding the Fourth Proportional to 953,481.60, 1,428,148.80 and 578,851.20

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Solution

The fourth proportional to 953,481.60, 1,428,148.80 and 578,851.20 is: 867,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,481.60 : 1,428,148.80 = 578,851.20 : x
  2. Step 2: Convert to fraction form
    953,481.60/1,428,148.80 = 578,851.20/x
  3. Step 3: Cross multiply
    953,481.60x = 1,428,148.80 × 578,851.20
  4. Step 4: Simplify right side
    953,481.60x = 826,685,646,658.56
  5. Step 5: Solve for x
    x = 826,685,646,658.56/953,481.60
  6. Step 6: Final answer
    x = 867,017.93

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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.