Home / 1,118,377.11-1,543,404.12-634,987.23

Finding the Fourth Proportional to 1,118,377.11, 1,543,404.12 and 634,987.23

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Solution

The fourth proportional to 1,118,377.11, 1,543,404.12 and 634,987.23 is: 876,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,377.11 : 1,543,404.12 = 634,987.23 : x
  2. Step 2: Convert to fraction form
    1,118,377.11/1,543,404.12 = 634,987.23/x
  3. Step 3: Cross multiply
    1,118,377.11x = 1,543,404.12 × 634,987.23
  4. Step 4: Simplify right side
    1,118,377.11x = 980,041,906,929.39
  5. Step 5: Solve for x
    x = 980,041,906,929.39/1,118,377.11
  6. Step 6: Final answer
    x = 876,307.19

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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.