Home / 1,213,920.19-1,675,209.95-670,056.11

Finding the Fourth Proportional to 1,213,920.19, 1,675,209.95 and 670,056.11

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Solution

The fourth proportional to 1,213,920.19, 1,675,209.95 and 670,056.11 is: 924,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,920.19 : 1,675,209.95 = 670,056.11 : x
  2. Step 2: Convert to fraction form
    1,213,920.19/1,675,209.95 = 670,056.11/x
  3. Step 3: Cross multiply
    1,213,920.19x = 1,675,209.95 × 670,056.11
  4. Step 4: Simplify right side
    1,213,920.19x = 1,122,484,662,530.29
  5. Step 5: Solve for x
    x = 1,122,484,662,530.29/1,213,920.19
  6. Step 6: Final answer
    x = 924,677.48

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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.