Home / 1,065,568.40-1,470,513.24-636,097.78

Finding the Fourth Proportional to 1,065,568.40, 1,470,513.24 and 636,097.78

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Solution

The fourth proportional to 1,065,568.40, 1,470,513.24 and 636,097.78 is: 877,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,568.40 : 1,470,513.24 = 636,097.78 : x
  2. Step 2: Convert to fraction form
    1,065,568.40/1,470,513.24 = 636,097.78/x
  3. Step 3: Cross multiply
    1,065,568.40x = 1,470,513.24 × 636,097.78
  4. Step 4: Simplify right side
    1,065,568.40x = 935,390,207,424.61
  5. Step 5: Solve for x
    x = 935,390,207,424.61/1,065,568.40
  6. Step 6: Final answer
    x = 877,832.16

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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.