Home / 1,652,711.90-2,280,746.81-917,667.53

Finding the Fourth Proportional to 1,652,711.90, 2,280,746.81 and 917,667.53

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Solution

The fourth proportional to 1,652,711.90, 2,280,746.81 and 917,667.53 is: 1,266,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,711.90 : 2,280,746.81 = 917,667.53 : x
  2. Step 2: Convert to fraction form
    1,652,711.90/2,280,746.81 = 917,667.53/x
  3. Step 3: Cross multiply
    1,652,711.90x = 2,280,746.81 × 917,667.53
  4. Step 4: Simplify right side
    1,652,711.90x = 2,092,967,291,688.08
  5. Step 5: Solve for x
    x = 2,092,967,291,688.08/1,652,711.90
  6. Step 6: Final answer
    x = 1,266,383.63

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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.