Home / 1,005,947.24-1,388,236.26-553,267.40

Finding the Fourth Proportional to 1,005,947.24, 1,388,236.26 and 553,267.40

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Solution

The fourth proportional to 1,005,947.24, 1,388,236.26 and 553,267.40 is: 763,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,947.24 : 1,388,236.26 = 553,267.40 : x
  2. Step 2: Convert to fraction form
    1,005,947.24/1,388,236.26 = 553,267.40/x
  3. Step 3: Cross multiply
    1,005,947.24x = 1,388,236.26 × 553,267.40
  4. Step 4: Simplify right side
    1,005,947.24x = 768,065,866,155.92
  5. Step 5: Solve for x
    x = 768,065,866,155.92/1,005,947.24
  6. Step 6: Final answer
    x = 763,525.00

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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.