Home / 1,180,844.20-1,772,141.10-471,381.40

Finding the Fourth Proportional to 1,180,844.20, 1,772,141.10 and 471,381.40

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Solution

The fourth proportional to 1,180,844.20, 1,772,141.10 and 471,381.40 is: 707,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,844.20 : 1,772,141.10 = 471,381.40 : x
  2. Step 2: Convert to fraction form
    1,180,844.20/1,772,141.10 = 471,381.40/x
  3. Step 3: Cross multiply
    1,180,844.20x = 1,772,141.10 × 471,381.40
  4. Step 4: Simplify right side
    1,180,844.20x = 835,354,352,715.54
  5. Step 5: Solve for x
    x = 835,354,352,715.54/1,180,844.20
  6. Step 6: Final answer
    x = 707,421.31

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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.