Home / 1,771,130.96-2,655,463.78-784,689.74

Finding the Fourth Proportional to 1,771,130.96, 2,655,463.78 and 784,689.74

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Solution

The fourth proportional to 1,771,130.96, 2,655,463.78 and 784,689.74 is: 1,176,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,130.96 : 2,655,463.78 = 784,689.74 : x
  2. Step 2: Convert to fraction form
    1,771,130.96/2,655,463.78 = 784,689.74/x
  3. Step 3: Cross multiply
    1,771,130.96x = 2,655,463.78 × 784,689.74
  4. Step 4: Simplify right side
    1,771,130.96x = 2,083,715,169,830.30
  5. Step 5: Solve for x
    x = 2,083,715,169,830.30/1,771,130.96
  6. Step 6: Final answer
    x = 1,176,488.48

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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.