Home / 710,113.34-979,962.67-404,209.41

Finding the Fourth Proportional to 710,113.34, 979,962.67 and 404,209.41

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Solution

The fourth proportional to 710,113.34, 979,962.67 and 404,209.41 is: 557,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,113.34 : 979,962.67 = 404,209.41 : x
  2. Step 2: Convert to fraction form
    710,113.34/979,962.67 = 404,209.41/x
  3. Step 3: Cross multiply
    710,113.34x = 979,962.67 × 404,209.41
  4. Step 4: Simplify right side
    710,113.34x = 396,110,137,761.56
  5. Step 5: Solve for x
    x = 396,110,137,761.56/710,113.34
  6. Step 6: Final answer
    x = 557,812.56

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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.