Home / 1,118,357.28-1,677,591.18-319,756.32

Finding the Fourth Proportional to 1,118,357.28, 1,677,591.18 and 319,756.32

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Solution

The fourth proportional to 1,118,357.28, 1,677,591.18 and 319,756.32 is: 479,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,357.28 : 1,677,591.18 = 319,756.32 : x
  2. Step 2: Convert to fraction form
    1,118,357.28/1,677,591.18 = 319,756.32/x
  3. Step 3: Cross multiply
    1,118,357.28x = 1,677,591.18 × 319,756.32
  4. Step 4: Simplify right side
    1,118,357.28x = 536,420,382,181.26
  5. Step 5: Solve for x
    x = 536,420,382,181.26/1,118,357.28
  6. Step 6: Final answer
    x = 479,650.28

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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.