Home / 752,141.39-1,038,029.66-429,897.74

Finding the Fourth Proportional to 752,141.39, 1,038,029.66 and 429,897.74

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Solution

The fourth proportional to 752,141.39, 1,038,029.66 and 429,897.74 is: 593,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,141.39 : 1,038,029.66 = 429,897.74 : x
  2. Step 2: Convert to fraction form
    752,141.39/1,038,029.66 = 429,897.74/x
  3. Step 3: Cross multiply
    752,141.39x = 1,038,029.66 × 429,897.74
  4. Step 4: Simplify right side
    752,141.39x = 446,246,597,547.33
  5. Step 5: Solve for x
    x = 446,246,597,547.33/752,141.39
  6. Step 6: Final answer
    x = 593,301.48

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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.