Home / 1,223,241.91-1,688,077.74-679,377.60

Finding the Fourth Proportional to 1,223,241.91, 1,688,077.74 and 679,377.60

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Solution

The fourth proportional to 1,223,241.91, 1,688,077.74 and 679,377.60 is: 937,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,241.91 : 1,688,077.74 = 679,377.60 : x
  2. Step 2: Convert to fraction form
    1,223,241.91/1,688,077.74 = 679,377.60/x
  3. Step 3: Cross multiply
    1,223,241.91x = 1,688,077.74 × 679,377.60
  4. Step 4: Simplify right side
    1,223,241.91x = 1,146,842,195,174.24
  5. Step 5: Solve for x
    x = 1,146,842,195,174.24/1,223,241.91
  6. Step 6: Final answer
    x = 937,543.25

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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.