Home / 1,109,811.59-1,532,574.95-816,854.74

Finding the Fourth Proportional to 1,109,811.59, 1,532,574.95 and 816,854.74

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Solution

The fourth proportional to 1,109,811.59, 1,532,574.95 and 816,854.74 is: 1,128,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,811.59 : 1,532,574.95 = 816,854.74 : x
  2. Step 2: Convert to fraction form
    1,109,811.59/1,532,574.95 = 816,854.74/x
  3. Step 3: Cross multiply
    1,109,811.59x = 1,532,574.95 × 816,854.74
  4. Step 4: Simplify right side
    1,109,811.59x = 1,251,891,104,397.05
  5. Step 5: Solve for x
    x = 1,251,891,104,397.05/1,109,811.59
  6. Step 6: Final answer
    x = 1,128,021.29

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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.