Home / 1,854,674.20-2,781,320.10-656,133.40

Finding the Fourth Proportional to 1,854,674.20, 2,781,320.10 and 656,133.40

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Solution

The fourth proportional to 1,854,674.20, 2,781,320.10 and 656,133.40 is: 983,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,674.20 : 2,781,320.10 = 656,133.40 : x
  2. Step 2: Convert to fraction form
    1,854,674.20/2,781,320.10 = 656,133.40/x
  3. Step 3: Cross multiply
    1,854,674.20x = 2,781,320.10 × 656,133.40
  4. Step 4: Simplify right side
    1,854,674.20x = 1,824,917,013,701.34
  5. Step 5: Solve for x
    x = 1,824,917,013,701.34/1,854,674.20
  6. Step 6: Final answer
    x = 983,955.57

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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.