Home / 972,564.09-1,340,531.87-650,156.55

Finding the Fourth Proportional to 972,564.09, 1,340,531.87 and 650,156.55

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Solution

The fourth proportional to 972,564.09, 1,340,531.87 and 650,156.55 is: 896,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,564.09 : 1,340,531.87 = 650,156.55 : x
  2. Step 2: Convert to fraction form
    972,564.09/1,340,531.87 = 650,156.55/x
  3. Step 3: Cross multiply
    972,564.09x = 1,340,531.87 × 650,156.55
  4. Step 4: Simplify right side
    972,564.09x = 871,555,572,513.47
  5. Step 5: Solve for x
    x = 871,555,572,513.47/972,564.09
  6. Step 6: Final answer
    x = 896,142.05

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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.