Home / 880,051.50-1,214,471.10-477,643.50

Finding the Fourth Proportional to 880,051.50, 1,214,471.10 and 477,643.50

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Solution

The fourth proportional to 880,051.50, 1,214,471.10 and 477,643.50 is: 659,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,051.50 : 1,214,471.10 = 477,643.50 : x
  2. Step 2: Convert to fraction form
    880,051.50/1,214,471.10 = 477,643.50/x
  3. Step 3: Cross multiply
    880,051.50x = 1,214,471.10 × 477,643.50
  4. Step 4: Simplify right side
    880,051.50x = 580,084,226,852.85
  5. Step 5: Solve for x
    x = 580,084,226,852.85/880,051.50
  6. Step 6: Final answer
    x = 659,148.05

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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.