Home / 694,228.50-1,039,866.12-409,612.32

Finding the Fourth Proportional to 694,228.50, 1,039,866.12 and 409,612.32

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Solution

The fourth proportional to 694,228.50, 1,039,866.12 and 409,612.32 is: 613,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,228.50 : 1,039,866.12 = 409,612.32 : x
  2. Step 2: Convert to fraction form
    694,228.50/1,039,866.12 = 409,612.32/x
  3. Step 3: Cross multiply
    694,228.50x = 1,039,866.12 × 409,612.32
  4. Step 4: Simplify right side
    694,228.50x = 425,941,973,902.60
  5. Step 5: Solve for x
    x = 425,941,973,902.60/694,228.50
  6. Step 6: Final answer
    x = 613,547.23

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1.5x scale

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.