Home / 1,209,717.10-1,814,575.65-784,564.30

Finding the Fourth Proportional to 1,209,717.10, 1,814,575.65 and 784,564.30

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Solution

The fourth proportional to 1,209,717.10, 1,814,575.65 and 784,564.30 is: 1,176,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,717.10 : 1,814,575.65 = 784,564.30 : x
  2. Step 2: Convert to fraction form
    1,209,717.10/1,814,575.65 = 784,564.30/x
  3. Step 3: Cross multiply
    1,209,717.10x = 1,814,575.65 × 784,564.30
  4. Step 4: Simplify right side
    1,209,717.10x = 1,423,651,274,639.30
  5. Step 5: Solve for x
    x = 1,423,651,274,639.30/1,209,717.10
  6. Step 6: Final answer
    x = 1,176,846.45

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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.