Home / 944,919.88-1,304,010.02-515,201.72

Finding the Fourth Proportional to 944,919.88, 1,304,010.02 and 515,201.72

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Solution

The fourth proportional to 944,919.88, 1,304,010.02 and 515,201.72 is: 710,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,919.88 : 1,304,010.02 = 515,201.72 : x
  2. Step 2: Convert to fraction form
    944,919.88/1,304,010.02 = 515,201.72/x
  3. Step 3: Cross multiply
    944,919.88x = 1,304,010.02 × 515,201.72
  4. Step 4: Simplify right side
    944,919.88x = 671,828,199,969.19
  5. Step 5: Solve for x
    x = 671,828,199,969.19/944,919.88
  6. Step 6: Final answer
    x = 710,989.59

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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.