Home / 778,549.06-1,074,434.52-439,010.02

Finding the Fourth Proportional to 778,549.06, 1,074,434.52 and 439,010.02

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Solution

The fourth proportional to 778,549.06, 1,074,434.52 and 439,010.02 is: 605,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,549.06 : 1,074,434.52 = 439,010.02 : x
  2. Step 2: Convert to fraction form
    778,549.06/1,074,434.52 = 439,010.02/x
  3. Step 3: Cross multiply
    778,549.06x = 1,074,434.52 × 439,010.02
  4. Step 4: Simplify right side
    778,549.06x = 471,687,520,113.89
  5. Step 5: Solve for x
    x = 471,687,520,113.89/778,549.06
  6. Step 6: Final answer
    x = 605,854.59

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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.