Home / 1,018,130.19-1,527,391.71-386,994.66

Finding the Fourth Proportional to 1,018,130.19, 1,527,391.71 and 386,994.66

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Solution

The fourth proportional to 1,018,130.19, 1,527,391.71 and 386,994.66 is: 580,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,130.19 : 1,527,391.71 = 386,994.66 : x
  2. Step 2: Convert to fraction form
    1,018,130.19/1,527,391.71 = 386,994.66/x
  3. Step 3: Cross multiply
    1,018,130.19x = 1,527,391.71 × 386,994.66
  4. Step 4: Simplify right side
    1,018,130.19x = 591,092,435,498.27
  5. Step 5: Solve for x
    x = 591,092,435,498.27/1,018,130.19
  6. Step 6: Final answer
    x = 580,566.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.