Home / 1,138,401.60-1,708,757.88-570,189.84

Finding the Fourth Proportional to 1,138,401.60, 1,708,757.88 and 570,189.84

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Solution

The fourth proportional to 1,138,401.60, 1,708,757.88 and 570,189.84 is: 855,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,401.60 : 1,708,757.88 = 570,189.84 : x
  2. Step 2: Convert to fraction form
    1,138,401.60/1,708,757.88 = 570,189.84/x
  3. Step 3: Cross multiply
    1,138,401.60x = 1,708,757.88 × 570,189.84
  4. Step 4: Simplify right side
    1,138,401.60x = 974,316,382,195.94
  5. Step 5: Solve for x
    x = 974,316,382,195.94/1,138,401.60
  6. Step 6: Final answer
    x = 855,863.50

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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.