Home / 942,114.06-1,300,079.97-512,393.94

Finding the Fourth Proportional to 942,114.06, 1,300,079.97 and 512,393.94

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Solution

The fourth proportional to 942,114.06, 1,300,079.97 and 512,393.94 is: 707,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,114.06 : 1,300,079.97 = 512,393.94 : x
  2. Step 2: Convert to fraction form
    942,114.06/1,300,079.97 = 512,393.94/x
  3. Step 3: Cross multiply
    942,114.06x = 1,300,079.97 × 512,393.94
  4. Step 4: Simplify right side
    942,114.06x = 666,153,098,143.38
  5. Step 5: Solve for x
    x = 666,153,098,143.38/942,114.06
  6. Step 6: Final answer
    x = 707,083.28

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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.