Home / 1,681,437.19-2,320,439.33-917,532.67

Finding the Fourth Proportional to 1,681,437.19, 2,320,439.33 and 917,532.67

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Solution

The fourth proportional to 1,681,437.19, 2,320,439.33 and 917,532.67 is: 1,266,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,437.19 : 2,320,439.33 = 917,532.67 : x
  2. Step 2: Convert to fraction form
    1,681,437.19/2,320,439.33 = 917,532.67/x
  3. Step 3: Cross multiply
    1,681,437.19x = 2,320,439.33 × 917,532.67
  4. Step 4: Simplify right side
    1,681,437.19x = 2,129,078,894,027.91
  5. Step 5: Solve for x
    x = 2,129,078,894,027.91/1,681,437.19
  6. Step 6: Final answer
    x = 1,266,225.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.