Home / 907,040.19-1,251,767.16-519,920.04

Finding the Fourth Proportional to 907,040.19, 1,251,767.16 and 519,920.04

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Solution

The fourth proportional to 907,040.19, 1,251,767.16 and 519,920.04 is: 717,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,040.19 : 1,251,767.16 = 519,920.04 : x
  2. Step 2: Convert to fraction form
    907,040.19/1,251,767.16 = 519,920.04/x
  3. Step 3: Cross multiply
    907,040.19x = 1,251,767.16 × 519,920.04
  4. Step 4: Simplify right side
    907,040.19x = 650,818,831,897.89
  5. Step 5: Solve for x
    x = 650,818,831,897.89/907,040.19
  6. Step 6: Final answer
    x = 717,519.29

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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.