Home / 713,828.18-1,068,638.55-625,254.68

Finding the Fourth Proportional to 713,828.18, 1,068,638.55 and 625,254.68

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Solution

The fourth proportional to 713,828.18, 1,068,638.55 and 625,254.68 is: 936,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,828.18 : 1,068,638.55 = 625,254.68 : x
  2. Step 2: Convert to fraction form
    713,828.18/1,068,638.55 = 625,254.68/x
  3. Step 3: Cross multiply
    713,828.18x = 1,068,638.55 × 625,254.68
  4. Step 4: Simplify right side
    713,828.18x = 668,171,249,272.72
  5. Step 5: Solve for x
    x = 668,171,249,272.72/713,828.18
  6. Step 6: Final answer
    x = 936,039.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.