Home / 750,644.12-1,123,141.10-526,442.20

Finding the Fourth Proportional to 750,644.12, 1,123,141.10 and 526,442.20

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Solution

The fourth proportional to 750,644.12, 1,123,141.10 and 526,442.20 is: 787,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,644.12 : 1,123,141.10 = 526,442.20 : x
  2. Step 2: Convert to fraction form
    750,644.12/1,123,141.10 = 526,442.20/x
  3. Step 3: Cross multiply
    750,644.12x = 1,123,141.10 × 526,442.20
  4. Step 4: Simplify right side
    750,644.12x = 591,268,871,594.42
  5. Step 5: Solve for x
    x = 591,268,871,594.42/750,644.12
  6. Step 6: Final answer
    x = 787,682.01

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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.