Home / 1,354,048.92-1,868,547.42-742,188.60

Finding the Fourth Proportional to 1,354,048.92, 1,868,547.42 and 742,188.60

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Solution

The fourth proportional to 1,354,048.92, 1,868,547.42 and 742,188.60 is: 1,024,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,048.92 : 1,868,547.42 = 742,188.60 : x
  2. Step 2: Convert to fraction form
    1,354,048.92/1,868,547.42 = 742,188.60/x
  3. Step 3: Cross multiply
    1,354,048.92x = 1,868,547.42 × 742,188.60
  4. Step 4: Simplify right side
    1,354,048.92x = 1,386,814,593,683.41
  5. Step 5: Solve for x
    x = 1,386,814,593,683.41/1,354,048.92
  6. Step 6: Final answer
    x = 1,024,198.29

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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.