Home / 1,186,238.40-1,778,045.40-654,141.30

Finding the Fourth Proportional to 1,186,238.40, 1,778,045.40 and 654,141.30

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Solution

The fourth proportional to 1,186,238.40, 1,778,045.40 and 654,141.30 is: 980,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,238.40 : 1,778,045.40 = 654,141.30 : x
  2. Step 2: Convert to fraction form
    1,186,238.40/1,778,045.40 = 654,141.30/x
  3. Step 3: Cross multiply
    1,186,238.40x = 1,778,045.40 × 654,141.30
  4. Step 4: Simplify right side
    1,186,238.40x = 1,163,092,929,415.02
  5. Step 5: Solve for x
    x = 1,163,092,929,415.02/1,186,238.40
  6. Step 6: Final answer
    x = 980,488.35

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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.