Home / 1,042,490.88-1,438,566.98-577,311.35

Finding the Fourth Proportional to 1,042,490.88, 1,438,566.98 and 577,311.35

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Solution

The fourth proportional to 1,042,490.88, 1,438,566.98 and 577,311.35 is: 796,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,490.88 : 1,438,566.98 = 577,311.35 : x
  2. Step 2: Convert to fraction form
    1,042,490.88/1,438,566.98 = 577,311.35/x
  3. Step 3: Cross multiply
    1,042,490.88x = 1,438,566.98 × 577,311.35
  4. Step 4: Simplify right side
    1,042,490.88x = 830,501,035,209.83
  5. Step 5: Solve for x
    x = 830,501,035,209.83/1,042,490.88
  6. Step 6: Final answer
    x = 796,650.65

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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.