Home / 750,311.28-1,035,432.60-410,811.12

Finding the Fourth Proportional to 750,311.28, 1,035,432.60 and 410,811.12

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Solution

The fourth proportional to 750,311.28, 1,035,432.60 and 410,811.12 is: 566,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,311.28 : 1,035,432.60 = 410,811.12 : x
  2. Step 2: Convert to fraction form
    750,311.28/1,035,432.60 = 410,811.12/x
  3. Step 3: Cross multiply
    750,311.28x = 1,035,432.60 × 410,811.12
  4. Step 4: Simplify right side
    750,311.28x = 425,367,226,090.51
  5. Step 5: Solve for x
    x = 425,367,226,090.51/750,311.28
  6. Step 6: Final answer
    x = 566,921.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.