Home / 403,639.32-556,993.50-240,287.16

Finding the Fourth Proportional to 403,639.32, 556,993.50 and 240,287.16

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Solution

The fourth proportional to 403,639.32, 556,993.50 and 240,287.16 is: 331,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,639.32 : 556,993.50 = 240,287.16 : x
  2. Step 2: Convert to fraction form
    403,639.32/556,993.50 = 240,287.16/x
  3. Step 3: Cross multiply
    403,639.32x = 556,993.50 × 240,287.16
  4. Step 4: Simplify right side
    403,639.32x = 133,838,386,253.46
  5. Step 5: Solve for x
    x = 133,838,386,253.46/403,639.32
  6. Step 6: Final answer
    x = 331,579.16

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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.