Home / 1,186,479.72-1,779,982.02-653,726.52

Finding the Fourth Proportional to 1,186,479.72, 1,779,982.02 and 653,726.52

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Solution

The fourth proportional to 1,186,479.72, 1,779,982.02 and 653,726.52 is: 980,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,479.72 : 1,779,982.02 = 653,726.52 : x
  2. Step 2: Convert to fraction form
    1,186,479.72/1,779,982.02 = 653,726.52/x
  3. Step 3: Cross multiply
    1,186,479.72x = 1,779,982.02 × 653,726.52
  4. Step 4: Simplify right side
    1,186,479.72x = 1,163,621,451,597.17
  5. Step 5: Solve for x
    x = 1,163,621,451,597.17/1,186,479.72
  6. Step 6: Final answer
    x = 980,734.38

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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.