Home / 938,323.17-1,407,268.89-559,350.90

Finding the Fourth Proportional to 938,323.17, 1,407,268.89 and 559,350.90

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Solution

The fourth proportional to 938,323.17, 1,407,268.89 and 559,350.90 is: 838,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,323.17 : 1,407,268.89 = 559,350.90 : x
  2. Step 2: Convert to fraction form
    938,323.17/1,407,268.89 = 559,350.90/x
  3. Step 3: Cross multiply
    938,323.17x = 1,407,268.89 × 559,350.90
  4. Step 4: Simplify right side
    938,323.17x = 787,157,120,163.50
  5. Step 5: Solve for x
    x = 787,157,120,163.50/938,323.17
  6. Step 6: Final answer
    x = 838,897.67

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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.