Home / 1,104,210-1,655,331.60-430,133.64

Finding the Fourth Proportional to 1,104,210, 1,655,331.60 and 430,133.64

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Solution

The fourth proportional to 1,104,210, 1,655,331.60 and 430,133.64 is: 644,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,210 : 1,655,331.60 = 430,133.64 : x
  2. Step 2: Convert to fraction form
    1,104,210/1,655,331.60 = 430,133.64/x
  3. Step 3: Cross multiply
    1,104,210x = 1,655,331.60 × 430,133.64
  4. Step 4: Simplify right side
    1,104,210x = 712,013,806,515.02
  5. Step 5: Solve for x
    x = 712,013,806,515.02/1,104,210
  6. Step 6: Final answer
    x = 644,817.39

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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.