Home / 747,033.12-1,030,913.16-407,508.48

Finding the Fourth Proportional to 747,033.12, 1,030,913.16 and 407,508.48

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Solution

The fourth proportional to 747,033.12, 1,030,913.16 and 407,508.48 is: 562,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,033.12 : 1,030,913.16 = 407,508.48 : x
  2. Step 2: Convert to fraction form
    747,033.12/1,030,913.16 = 407,508.48/x
  3. Step 3: Cross multiply
    747,033.12x = 1,030,913.16 × 407,508.48
  4. Step 4: Simplify right side
    747,033.12x = 420,105,854,843.60
  5. Step 5: Solve for x
    x = 420,105,854,843.60/747,033.12
  6. Step 6: Final answer
    x = 562,365.77

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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.