Home / 1,370,365.38-2,055,684.96-471,688.20

Finding the Fourth Proportional to 1,370,365.38, 2,055,684.96 and 471,688.20

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Solution

The fourth proportional to 1,370,365.38, 2,055,684.96 and 471,688.20 is: 707,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,365.38 : 2,055,684.96 = 471,688.20 : x
  2. Step 2: Convert to fraction form
    1,370,365.38/2,055,684.96 = 471,688.20/x
  3. Step 3: Cross multiply
    1,370,365.38x = 2,055,684.96 × 471,688.20
  4. Step 4: Simplify right side
    1,370,365.38x = 969,642,338,549.47
  5. Step 5: Solve for x
    x = 969,642,338,549.47/1,370,365.38
  6. Step 6: Final answer
    x = 707,579.42

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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.