Home / 942,970.64-1,301,289.72-513,250.16

Finding the Fourth Proportional to 942,970.64, 1,301,289.72 and 513,250.16

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Solution

The fourth proportional to 942,970.64, 1,301,289.72 and 513,250.16 is: 708,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,970.64 : 1,301,289.72 = 513,250.16 : x
  2. Step 2: Convert to fraction form
    942,970.64/1,301,289.72 = 513,250.16/x
  3. Step 3: Cross multiply
    942,970.64x = 1,301,289.72 × 513,250.16
  4. Step 4: Simplify right side
    942,970.64x = 667,887,156,996.36
  5. Step 5: Solve for x
    x = 667,887,156,996.36/942,970.64
  6. Step 6: Final answer
    x = 708,279.91

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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.