Home / 1,316,176.11-1,816,156.06-772,113.39

Finding the Fourth Proportional to 1,316,176.11, 1,816,156.06 and 772,113.39

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Solution

The fourth proportional to 1,316,176.11, 1,816,156.06 and 772,113.39 is: 1,065,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,176.11 : 1,816,156.06 = 772,113.39 : x
  2. Step 2: Convert to fraction form
    1,316,176.11/1,816,156.06 = 772,113.39/x
  3. Step 3: Cross multiply
    1,316,176.11x = 1,816,156.06 × 772,113.39
  4. Step 4: Simplify right side
    1,316,176.11x = 1,402,278,412,255.64
  5. Step 5: Solve for x
    x = 1,402,278,412,255.64/1,316,176.11
  6. Step 6: Final answer
    x = 1,065,418.53

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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.