Home / 975,084.56-1,345,741.32-545,388.56

Finding the Fourth Proportional to 975,084.56, 1,345,741.32 and 545,388.56

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Solution

The fourth proportional to 975,084.56, 1,345,741.32 and 545,388.56 is: 752,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,084.56 : 1,345,741.32 = 545,388.56 : x
  2. Step 2: Convert to fraction form
    975,084.56/1,345,741.32 = 545,388.56/x
  3. Step 3: Cross multiply
    975,084.56x = 1,345,741.32 × 545,388.56
  4. Step 4: Simplify right side
    975,084.56x = 733,951,920,647.30
  5. Step 5: Solve for x
    x = 733,951,920,647.30/975,084.56
  6. Step 6: Final answer
    x = 752,705.92

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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.