Home / 1,065,639.68-1,598,459.64-434,602.88

Finding the Fourth Proportional to 1,065,639.68, 1,598,459.64 and 434,602.88

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Solution

The fourth proportional to 1,065,639.68, 1,598,459.64 and 434,602.88 is: 651,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,639.68 : 1,598,459.64 = 434,602.88 : x
  2. Step 2: Convert to fraction form
    1,065,639.68/1,598,459.64 = 434,602.88/x
  3. Step 3: Cross multiply
    1,065,639.68x = 1,598,459.64 × 434,602.88
  4. Step 4: Simplify right side
    1,065,639.68x = 694,695,163,107.76
  5. Step 5: Solve for x
    x = 694,695,163,107.76/1,065,639.68
  6. Step 6: Final answer
    x = 651,904.37

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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.