Home / 1,083,612.25-1,624,159.49-409,264.47

Finding the Fourth Proportional to 1,083,612.25, 1,624,159.49 and 409,264.47

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Solution

The fourth proportional to 1,083,612.25, 1,624,159.49 and 409,264.47 is: 613,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,612.25 : 1,624,159.49 = 409,264.47 : x
  2. Step 2: Convert to fraction form
    1,083,612.25/1,624,159.49 = 409,264.47/x
  3. Step 3: Cross multiply
    1,083,612.25x = 1,624,159.49 × 409,264.47
  4. Step 4: Simplify right side
    1,083,612.25x = 664,710,777,118.55
  5. Step 5: Solve for x
    x = 664,710,777,118.55/1,083,612.25
  6. Step 6: Final answer
    x = 613,421.24

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Double scale
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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.