Home / 6,516,279.40-9,774,419.10-1,788,471.40

Finding the Fourth Proportional to 6,516,279.40, 9,774,419.10 and 1,788,471.40

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Solution

The fourth proportional to 6,516,279.40, 9,774,419.10 and 1,788,471.40 is: 2,682,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,279.40 : 9,774,419.10 = 1,788,471.40 : x
  2. Step 2: Convert to fraction form
    6,516,279.40/9,774,419.10 = 1,788,471.40/x
  3. Step 3: Cross multiply
    6,516,279.40x = 9,774,419.10 × 1,788,471.40
  4. Step 4: Simplify right side
    6,516,279.40x = 17,481,269,011,963.74
  5. Step 5: Solve for x
    x = 17,481,269,011,963.74/6,516,279.40
  6. Step 6: Final answer
    x = 2,682,707.10

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Double scale
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Similar ratio
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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.