Home / 875,643.20-1,313,464.80-501,358.40

Finding the Fourth Proportional to 875,643.20, 1,313,464.80 and 501,358.40

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Solution

The fourth proportional to 875,643.20, 1,313,464.80 and 501,358.40 is: 752,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,643.20 : 1,313,464.80 = 501,358.40 : x
  2. Step 2: Convert to fraction form
    875,643.20/1,313,464.80 = 501,358.40/x
  3. Step 3: Cross multiply
    875,643.20x = 1,313,464.80 × 501,358.40
  4. Step 4: Simplify right side
    875,643.20x = 658,516,610,584.32
  5. Step 5: Solve for x
    x = 658,516,610,584.32/875,643.20
  6. Step 6: Final answer
    x = 752,037.60

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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.