Home / 996,990.39-1,495,973.57-617,809.70

Finding the Fourth Proportional to 996,990.39, 1,495,973.57 and 617,809.70

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Solution

The fourth proportional to 996,990.39, 1,495,973.57 and 617,809.70 is: 927,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,990.39 : 1,495,973.57 = 617,809.70 : x
  2. Step 2: Convert to fraction form
    996,990.39/1,495,973.57 = 617,809.70/x
  3. Step 3: Cross multiply
    996,990.39x = 1,495,973.57 × 617,809.70
  4. Step 4: Simplify right side
    996,990.39x = 924,226,983,140.51
  5. Step 5: Solve for x
    x = 924,226,983,140.51/996,990.39
  6. Step 6: Final answer
    x = 927,016.94

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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.