Home / 742,425.39-1,024,017.66-681,368.31

Finding the Fourth Proportional to 742,425.39, 1,024,017.66 and 681,368.31

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Solution

The fourth proportional to 742,425.39, 1,024,017.66 and 681,368.31 is: 939,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,425.39 : 1,024,017.66 = 681,368.31 : x
  2. Step 2: Convert to fraction form
    742,425.39/1,024,017.66 = 681,368.31/x
  3. Step 3: Cross multiply
    742,425.39x = 1,024,017.66 × 681,368.31
  4. Step 4: Simplify right side
    742,425.39x = 697,733,182,404.36
  5. Step 5: Solve for x
    x = 697,733,182,404.36/742,425.39
  6. Step 6: Final answer
    x = 939,802.43

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1.5x scale

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.