Home / 1,129,071.90-1,558,061.19-670,205.82

Finding the Fourth Proportional to 1,129,071.90, 1,558,061.19 and 670,205.82

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Solution

The fourth proportional to 1,129,071.90, 1,558,061.19 and 670,205.82 is: 924,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,071.90 : 1,558,061.19 = 670,205.82 : x
  2. Step 2: Convert to fraction form
    1,129,071.90/1,558,061.19 = 670,205.82/x
  3. Step 3: Cross multiply
    1,129,071.90x = 1,558,061.19 × 670,205.82
  4. Step 4: Simplify right side
    1,129,071.90x = 1,044,221,677,454.13
  5. Step 5: Solve for x
    x = 1,044,221,677,454.13/1,129,071.90
  6. Step 6: Final answer
    x = 924,849.58

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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.