Home / 897,173.94-1,238,292.16-515,411.22

Finding the Fourth Proportional to 897,173.94, 1,238,292.16 and 515,411.22

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Solution

The fourth proportional to 897,173.94, 1,238,292.16 and 515,411.22 is: 711,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,173.94 : 1,238,292.16 = 515,411.22 : x
  2. Step 2: Convert to fraction form
    897,173.94/1,238,292.16 = 515,411.22/x
  3. Step 3: Cross multiply
    897,173.94x = 1,238,292.16 × 515,411.22
  4. Step 4: Simplify right side
    897,173.94x = 638,229,672,902.04
  5. Step 5: Solve for x
    x = 638,229,672,902.04/897,173.94
  6. Step 6: Final answer
    x = 711,377.85

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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.