Home / 1,191,865.68-1,644,806.88-648,038.16

Finding the Fourth Proportional to 1,191,865.68, 1,644,806.88 and 648,038.16

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Solution

The fourth proportional to 1,191,865.68, 1,644,806.88 and 648,038.16 is: 894,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,865.68 : 1,644,806.88 = 648,038.16 : x
  2. Step 2: Convert to fraction form
    1,191,865.68/1,644,806.88 = 648,038.16/x
  3. Step 3: Cross multiply
    1,191,865.68x = 1,644,806.88 × 648,038.16
  4. Step 4: Simplify right side
    1,191,865.68x = 1,065,897,624,070.54
  5. Step 5: Solve for x
    x = 1,065,897,624,070.54/1,191,865.68
  6. Step 6: Final answer
    x = 894,310.19

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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.