Home / 1,191,985.19-1,644,960.12-648,124.65

Finding the Fourth Proportional to 1,191,985.19, 1,644,960.12 and 648,124.65

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Solution

The fourth proportional to 1,191,985.19, 1,644,960.12 and 648,124.65 is: 894,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,985.19 : 1,644,960.12 = 648,124.65 : x
  2. Step 2: Convert to fraction form
    1,191,985.19/1,644,960.12 = 648,124.65/x
  3. Step 3: Cross multiply
    1,191,985.19x = 1,644,960.12 × 648,124.65
  4. Step 4: Simplify right side
    1,191,985.19x = 1,066,139,202,038.96
  5. Step 5: Solve for x
    x = 1,066,139,202,038.96/1,191,985.19
  6. Step 6: Final answer
    x = 894,423.20

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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.