Home / 938,399.04-1,407,382.08-559,426.08

Finding the Fourth Proportional to 938,399.04, 1,407,382.08 and 559,426.08

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Solution

The fourth proportional to 938,399.04, 1,407,382.08 and 559,426.08 is: 839,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,399.04 : 1,407,382.08 = 559,426.08 : x
  2. Step 2: Convert to fraction form
    938,399.04/1,407,382.08 = 559,426.08/x
  3. Step 3: Cross multiply
    938,399.04x = 1,407,382.08 × 559,426.08
  4. Step 4: Simplify right side
    938,399.04x = 787,326,240,076.65
  5. Step 5: Solve for x
    x = 787,326,240,076.65/938,399.04
  6. Step 6: Final answer
    x = 839,010.07

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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.