Home / 1,041,000.70-1,561,501.05-863,853.70

Finding the Fourth Proportional to 1,041,000.70, 1,561,501.05 and 863,853.70

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Solution

The fourth proportional to 1,041,000.70, 1,561,501.05 and 863,853.70 is: 1,295,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,000.70 : 1,561,501.05 = 863,853.70 : x
  2. Step 2: Convert to fraction form
    1,041,000.70/1,561,501.05 = 863,853.70/x
  3. Step 3: Cross multiply
    1,041,000.70x = 1,561,501.05 × 863,853.70
  4. Step 4: Simplify right side
    1,041,000.70x = 1,348,908,459,596.39
  5. Step 5: Solve for x
    x = 1,348,908,459,596.39/1,041,000.70
  6. Step 6: Final answer
    x = 1,295,780.55

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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.