Home / 1,042,478.90-1,438,756.44-583,768.16

Finding the Fourth Proportional to 1,042,478.90, 1,438,756.44 and 583,768.16

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Solution

The fourth proportional to 1,042,478.90, 1,438,756.44 and 583,768.16 is: 805,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,478.90 : 1,438,756.44 = 583,768.16 : x
  2. Step 2: Convert to fraction form
    1,042,478.90/1,438,756.44 = 583,768.16/x
  3. Step 3: Cross multiply
    1,042,478.90x = 1,438,756.44 × 583,768.16
  4. Step 4: Simplify right side
    1,042,478.90x = 839,900,199,666.95
  5. Step 5: Solve for x
    x = 839,900,199,666.95/1,042,478.90
  6. Step 6: Final answer
    x = 805,675.97

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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.