Home / 1,234,417.84-1,703,416.20-690,459.28

Finding the Fourth Proportional to 1,234,417.84, 1,703,416.20 and 690,459.28

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Solution

The fourth proportional to 1,234,417.84, 1,703,416.20 and 690,459.28 is: 952,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,417.84 : 1,703,416.20 = 690,459.28 : x
  2. Step 2: Convert to fraction form
    1,234,417.84/1,703,416.20 = 690,459.28/x
  3. Step 3: Cross multiply
    1,234,417.84x = 1,703,416.20 × 690,459.28
  4. Step 4: Simplify right side
    1,234,417.84x = 1,176,139,522,992.34
  5. Step 5: Solve for x
    x = 1,176,139,522,992.34/1,234,417.84
  6. Step 6: Final answer
    x = 952,788.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.