Home / 983,184.12-1,356,819.19-553,479.32

Finding the Fourth Proportional to 983,184.12, 1,356,819.19 and 553,479.32

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Solution

The fourth proportional to 983,184.12, 1,356,819.19 and 553,479.32 is: 763,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,184.12 : 1,356,819.19 = 553,479.32 : x
  2. Step 2: Convert to fraction form
    983,184.12/1,356,819.19 = 553,479.32/x
  3. Step 3: Cross multiply
    983,184.12x = 1,356,819.19 × 553,479.32
  4. Step 4: Simplify right side
    983,184.12x = 750,971,364,652.50
  5. Step 5: Solve for x
    x = 750,971,364,652.50/983,184.12
  6. Step 6: Final answer
    x = 763,815.60

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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.