Home / 913,965.32-1,373,381.10-856,505.60

Finding the Fourth Proportional to 913,965.32, 1,373,381.10 and 856,505.60

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Solution

The fourth proportional to 913,965.32, 1,373,381.10 and 856,505.60 is: 1,287,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,965.32 : 1,373,381.10 = 856,505.60 : x
  2. Step 2: Convert to fraction form
    913,965.32/1,373,381.10 = 856,505.60/x
  3. Step 3: Cross multiply
    913,965.32x = 1,373,381.10 × 856,505.60
  4. Step 4: Simplify right side
    913,965.32x = 1,176,308,603,084.16
  5. Step 5: Solve for x
    x = 1,176,308,603,084.16/913,965.32
  6. Step 6: Final answer
    x = 1,287,038.55

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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.