Home / 1,057,549.14-1,585,675.71-417,078.90

Finding the Fourth Proportional to 1,057,549.14, 1,585,675.71 and 417,078.90

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Solution

The fourth proportional to 1,057,549.14, 1,585,675.71 and 417,078.90 is: 625,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,549.14 : 1,585,675.71 = 417,078.90 : x
  2. Step 2: Convert to fraction form
    1,057,549.14/1,585,675.71 = 417,078.90/x
  3. Step 3: Cross multiply
    1,057,549.14x = 1,585,675.71 × 417,078.90
  4. Step 4: Simplify right side
    1,057,549.14x = 661,351,880,883.52
  5. Step 5: Solve for x
    x = 661,351,880,883.52/1,057,549.14
  6. Step 6: Final answer
    x = 625,362.79

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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.