Home / 753,639.99-1,127,853.34-465,333.24

Finding the Fourth Proportional to 753,639.99, 1,127,853.34 and 465,333.24

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Solution

The fourth proportional to 753,639.99, 1,127,853.34 and 465,333.24 is: 696,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,639.99 : 1,127,853.34 = 465,333.24 : x
  2. Step 2: Convert to fraction form
    753,639.99/1,127,853.34 = 465,333.24/x
  3. Step 3: Cross multiply
    753,639.99x = 1,127,853.34 × 465,333.24
  4. Step 4: Simplify right side
    753,639.99x = 524,827,648,947.02
  5. Step 5: Solve for x
    x = 524,827,648,947.02/753,639.99
  6. Step 6: Final answer
    x = 696,390.39

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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.