Home / 700,643.52-1,050,803.98-274,189.45

Finding the Fourth Proportional to 700,643.52, 1,050,803.98 and 274,189.45

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Solution

The fourth proportional to 700,643.52, 1,050,803.98 and 274,189.45 is: 411,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,643.52 : 1,050,803.98 = 274,189.45 : x
  2. Step 2: Convert to fraction form
    700,643.52/1,050,803.98 = 274,189.45/x
  3. Step 3: Cross multiply
    700,643.52x = 1,050,803.98 × 274,189.45
  4. Step 4: Simplify right side
    700,643.52x = 288,119,365,334.01
  5. Step 5: Solve for x
    x = 288,119,365,334.01/700,643.52
  6. Step 6: Final answer
    x = 411,221.05

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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.