Home / 1,065,479.28-1,598,213.16-434,390.64

Finding the Fourth Proportional to 1,065,479.28, 1,598,213.16 and 434,390.64

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Solution

The fourth proportional to 1,065,479.28, 1,598,213.16 and 434,390.64 is: 651,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,479.28 : 1,598,213.16 = 434,390.64 : x
  2. Step 2: Convert to fraction form
    1,065,479.28/1,598,213.16 = 434,390.64/x
  3. Step 3: Cross multiply
    1,065,479.28x = 1,598,213.16 × 434,390.64
  4. Step 4: Simplify right side
    1,065,479.28x = 694,248,837,428.82
  5. Step 5: Solve for x
    x = 694,248,837,428.82/1,065,479.28
  6. Step 6: Final answer
    x = 651,583.61

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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.