Home / 880,065.54-1,214,448.39-540,468.18

Finding the Fourth Proportional to 880,065.54, 1,214,448.39 and 540,468.18

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Solution

The fourth proportional to 880,065.54, 1,214,448.39 and 540,468.18 is: 745,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,065.54 : 1,214,448.39 = 540,468.18 : x
  2. Step 2: Convert to fraction form
    880,065.54/1,214,448.39 = 540,468.18/x
  3. Step 3: Cross multiply
    880,065.54x = 1,214,448.39 × 540,468.18
  4. Step 4: Simplify right side
    880,065.54x = 656,370,711,047.23
  5. Step 5: Solve for x
    x = 656,370,711,047.23/880,065.54
  6. Step 6: Final answer
    x = 745,820.26

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Double scale
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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.