Home / 1,261,056.65-1,891,572.51-577,749.68

Finding the Fourth Proportional to 1,261,056.65, 1,891,572.51 and 577,749.68

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Solution

The fourth proportional to 1,261,056.65, 1,891,572.51 and 577,749.68 is: 866,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,056.65 : 1,891,572.51 = 577,749.68 : x
  2. Step 2: Convert to fraction form
    1,261,056.65/1,891,572.51 = 577,749.68/x
  3. Step 3: Cross multiply
    1,261,056.65x = 1,891,572.51 × 577,749.68
  4. Step 4: Simplify right side
    1,261,056.65x = 1,092,855,402,891.43
  5. Step 5: Solve for x
    x = 1,092,855,402,891.43/1,261,056.65
  6. Step 6: Final answer
    x = 866,618.80

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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.