Home / 859,362.12-1,289,132.46-410,007.24

Finding the Fourth Proportional to 859,362.12, 1,289,132.46 and 410,007.24

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Solution

The fourth proportional to 859,362.12, 1,289,132.46 and 410,007.24 is: 615,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,362.12 : 1,289,132.46 = 410,007.24 : x
  2. Step 2: Convert to fraction form
    859,362.12/1,289,132.46 = 410,007.24/x
  3. Step 3: Cross multiply
    859,362.12x = 1,289,132.46 × 410,007.24
  4. Step 4: Simplify right side
    859,362.12x = 528,553,641,919.01
  5. Step 5: Solve for x
    x = 528,553,641,919.01/859,362.12
  6. Step 6: Final answer
    x = 615,053.46

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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.