Home / 935,519.14-1,290,155.61-613,112.14

Finding the Fourth Proportional to 935,519.14, 1,290,155.61 and 613,112.14

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Solution

The fourth proportional to 935,519.14, 1,290,155.61 and 613,112.14 is: 845,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,519.14 : 1,290,155.61 = 613,112.14 : x
  2. Step 2: Convert to fraction form
    935,519.14/1,290,155.61 = 613,112.14/x
  3. Step 3: Cross multiply
    935,519.14x = 1,290,155.61 × 613,112.14
  4. Step 4: Simplify right side
    935,519.14x = 791,010,066,980.11
  5. Step 5: Solve for x
    x = 791,010,066,980.11/935,519.14
  6. Step 6: Final answer
    x = 845,530.61

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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.