Home / 1,319,184.60-1,976,444.10-1,118,563.80

Finding the Fourth Proportional to 1,319,184.60, 1,976,444.10 and 1,118,563.80

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Solution

The fourth proportional to 1,319,184.60, 1,976,444.10 and 1,118,563.80 is: 1,675,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,184.60 : 1,976,444.10 = 1,118,563.80 : x
  2. Step 2: Convert to fraction form
    1,319,184.60/1,976,444.10 = 1,118,563.80/x
  3. Step 3: Cross multiply
    1,319,184.60x = 1,976,444.10 × 1,118,563.80
  4. Step 4: Simplify right side
    1,319,184.60x = 2,210,778,822,983.58
  5. Step 5: Solve for x
    x = 2,210,778,822,983.58/1,319,184.60
  6. Step 6: Final answer
    x = 1,675,867.67

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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.