Home / 1,233,110.90-1,849,666.35-391,747.70

Finding the Fourth Proportional to 1,233,110.90, 1,849,666.35 and 391,747.70

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Solution

The fourth proportional to 1,233,110.90, 1,849,666.35 and 391,747.70 is: 587,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,110.90 : 1,849,666.35 = 391,747.70 : x
  2. Step 2: Convert to fraction form
    1,233,110.90/1,849,666.35 = 391,747.70/x
  3. Step 3: Cross multiply
    1,233,110.90x = 1,849,666.35 × 391,747.70
  4. Step 4: Simplify right side
    1,233,110.90x = 724,602,538,379.90
  5. Step 5: Solve for x
    x = 724,602,538,379.90/1,233,110.90
  6. Step 6: Final answer
    x = 587,621.55

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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.