Home / 2,947,443.63-4,421,165.07-817,527.74

Finding the Fourth Proportional to 2,947,443.63, 4,421,165.07 and 817,527.74

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Solution

The fourth proportional to 2,947,443.63, 4,421,165.07 and 817,527.74 is: 1,226,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,443.63 : 4,421,165.07 = 817,527.74 : x
  2. Step 2: Convert to fraction form
    2,947,443.63/4,421,165.07 = 817,527.74/x
  3. Step 3: Cross multiply
    2,947,443.63x = 4,421,165.07 × 817,527.74
  4. Step 4: Simplify right side
    2,947,443.63x = 3,614,425,065,738.22
  5. Step 5: Solve for x
    x = 3,614,425,065,738.22/2,947,443.63
  6. Step 6: Final answer
    x = 1,226,291.50

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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.