Home / 935,408.04-1,290,001.98-613,001.04

Finding the Fourth Proportional to 935,408.04, 1,290,001.98 and 613,001.04

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Solution

The fourth proportional to 935,408.04, 1,290,001.98 and 613,001.04 is: 845,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,408.04 : 1,290,001.98 = 613,001.04 : x
  2. Step 2: Convert to fraction form
    935,408.04/1,290,001.98 = 613,001.04/x
  3. Step 3: Cross multiply
    935,408.04x = 1,290,001.98 × 613,001.04
  4. Step 4: Simplify right side
    935,408.04x = 790,772,555,342.06
  5. Step 5: Solve for x
    x = 790,772,555,342.06/935,408.04
  6. Step 6: Final answer
    x = 845,377.12

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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.