Home / 1,560,689.50-2,153,926.56-881,669.74

Finding the Fourth Proportional to 1,560,689.50, 2,153,926.56 and 881,669.74

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Solution

The fourth proportional to 1,560,689.50, 2,153,926.56 and 881,669.74 is: 1,216,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,689.50 : 2,153,926.56 = 881,669.74 : x
  2. Step 2: Convert to fraction form
    1,560,689.50/2,153,926.56 = 881,669.74/x
  3. Step 3: Cross multiply
    1,560,689.50x = 2,153,926.56 × 881,669.74
  4. Step 4: Simplify right side
    1,560,689.50x = 1,899,051,870,134.29
  5. Step 5: Solve for x
    x = 1,899,051,870,134.29/1,560,689.50
  6. Step 6: Final answer
    x = 1,216,803.13

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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.