Home / 942,115.56-1,300,082.04-512,395.44

Finding the Fourth Proportional to 942,115.56, 1,300,082.04 and 512,395.44

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Solution

The fourth proportional to 942,115.56, 1,300,082.04 and 512,395.44 is: 707,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,115.56 : 1,300,082.04 = 512,395.44 : x
  2. Step 2: Convert to fraction form
    942,115.56/1,300,082.04 = 512,395.44/x
  3. Step 3: Cross multiply
    942,115.56x = 1,300,082.04 × 512,395.44
  4. Step 4: Simplify right side
    942,115.56x = 666,156,108,921.90
  5. Step 5: Solve for x
    x = 666,156,108,921.90/942,115.56
  6. Step 6: Final answer
    x = 707,085.35

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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.