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Finding the Fourth Proportional to 935,807.40, 1,402,398.90 and 822,958.20

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Solution

The fourth proportional to 935,807.40, 1,402,398.90 and 822,958.20 is: 1,233,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,807.40 : 1,402,398.90 = 822,958.20 : x
  2. Step 2: Convert to fraction form
    935,807.40/1,402,398.90 = 822,958.20/x
  3. Step 3: Cross multiply
    935,807.40x = 1,402,398.90 × 822,958.20
  4. Step 4: Simplify right side
    935,807.40x = 1,154,115,674,425.98
  5. Step 5: Solve for x
    x = 1,154,115,674,425.98/935,807.40
  6. Step 6: Final answer
    x = 1,233,283.34

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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.