Home / 1,581,738.90-2,182,788.27-856,569.79

Finding the Fourth Proportional to 1,581,738.90, 2,182,788.27 and 856,569.79

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Solution

The fourth proportional to 1,581,738.90, 2,182,788.27 and 856,569.79 is: 1,182,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,738.90 : 2,182,788.27 = 856,569.79 : x
  2. Step 2: Convert to fraction form
    1,581,738.90/2,182,788.27 = 856,569.79/x
  3. Step 3: Cross multiply
    1,581,738.90x = 2,182,788.27 × 856,569.79
  4. Step 4: Simplify right side
    1,581,738.90x = 1,869,710,490,048.36
  5. Step 5: Solve for x
    x = 1,869,710,490,048.36/1,581,738.90
  6. Step 6: Final answer
    x = 1,182,060.13

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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.