Home / 907,119.11-1,361,519.42-458,155.26

Finding the Fourth Proportional to 907,119.11, 1,361,519.42 and 458,155.26

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Solution

The fourth proportional to 907,119.11, 1,361,519.42 and 458,155.26 is: 687,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,119.11 : 1,361,519.42 = 458,155.26 : x
  2. Step 2: Convert to fraction form
    907,119.11/1,361,519.42 = 458,155.26/x
  3. Step 3: Cross multiply
    907,119.11x = 1,361,519.42 × 458,155.26
  4. Step 4: Simplify right side
    907,119.11x = 623,787,281,574.37
  5. Step 5: Solve for x
    x = 623,787,281,574.37/907,119.11
  6. Step 6: Final answer
    x = 687,657.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.