Home / 938,643.64-1,295,320.40-530,825.54

Finding the Fourth Proportional to 938,643.64, 1,295,320.40 and 530,825.54

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Solution

The fourth proportional to 938,643.64, 1,295,320.40 and 530,825.54 is: 732,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,643.64 : 1,295,320.40 = 530,825.54 : x
  2. Step 2: Convert to fraction form
    938,643.64/1,295,320.40 = 530,825.54/x
  3. Step 3: Cross multiply
    938,643.64x = 1,295,320.40 × 530,825.54
  4. Step 4: Simplify right side
    938,643.64x = 687,589,153,377.79
  5. Step 5: Solve for x
    x = 687,589,153,377.79/938,643.64
  6. Step 6: Final answer
    x = 732,534.83

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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.