Home / 1,005,977.48-1,388,260.50-553,276.04

Finding the Fourth Proportional to 1,005,977.48, 1,388,260.50 and 553,276.04

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Solution

The fourth proportional to 1,005,977.48, 1,388,260.50 and 553,276.04 is: 763,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,977.48 : 1,388,260.50 = 553,276.04 : x
  2. Step 2: Convert to fraction form
    1,005,977.48/1,388,260.50 = 553,276.04/x
  3. Step 3: Cross multiply
    1,005,977.48x = 1,388,260.50 × 553,276.04
  4. Step 4: Simplify right side
    1,005,977.48x = 768,091,271,928.42
  5. Step 5: Solve for x
    x = 768,091,271,928.42/1,005,977.48
  6. Step 6: Final answer
    x = 763,527.30

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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.