Home / 992,968.47-1,370,227.19-563,317.74

Finding the Fourth Proportional to 992,968.47, 1,370,227.19 and 563,317.74

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Solution

The fourth proportional to 992,968.47, 1,370,227.19 and 563,317.74 is: 777,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,968.47 : 1,370,227.19 = 563,317.74 : x
  2. Step 2: Convert to fraction form
    992,968.47/1,370,227.19 = 563,317.74/x
  3. Step 3: Cross multiply
    992,968.47x = 1,370,227.19 × 563,317.74
  4. Step 4: Simplify right side
    992,968.47x = 771,873,281,140.76
  5. Step 5: Solve for x
    x = 771,873,281,140.76/992,968.47
  6. Step 6: Final answer
    x = 777,339.16

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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.