Home / 1,130,387.47-1,559,934.35-621,122.65

Finding the Fourth Proportional to 1,130,387.47, 1,559,934.35 and 621,122.65

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Solution

The fourth proportional to 1,130,387.47, 1,559,934.35 and 621,122.65 is: 857,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,387.47 : 1,559,934.35 = 621,122.65 : x
  2. Step 2: Convert to fraction form
    1,130,387.47/1,559,934.35 = 621,122.65/x
  3. Step 3: Cross multiply
    1,130,387.47x = 1,559,934.35 × 621,122.65
  4. Step 4: Simplify right side
    1,130,387.47x = 968,910,552,621.79
  5. Step 5: Solve for x
    x = 968,910,552,621.79/1,130,387.47
  6. Step 6: Final answer
    x = 857,149.06

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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.