Home / 942,728.30-1,300,869.09-534,851.18

Finding the Fourth Proportional to 942,728.30, 1,300,869.09 and 534,851.18

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Solution

The fourth proportional to 942,728.30, 1,300,869.09 and 534,851.18 is: 738,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,728.30 : 1,300,869.09 = 534,851.18 : x
  2. Step 2: Convert to fraction form
    942,728.30/1,300,869.09 = 534,851.18/x
  3. Step 3: Cross multiply
    942,728.30x = 1,300,869.09 × 534,851.18
  4. Step 4: Simplify right side
    942,728.30x = 695,771,367,812.03
  5. Step 5: Solve for x
    x = 695,771,367,812.03/942,728.30
  6. Step 6: Final answer
    x = 738,040.18

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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.