Home / 1,101,595.84-1,520,353.36-618,189.56

Finding the Fourth Proportional to 1,101,595.84, 1,520,353.36 and 618,189.56

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Solution

The fourth proportional to 1,101,595.84, 1,520,353.36 and 618,189.56 is: 853,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,595.84 : 1,520,353.36 = 618,189.56 : x
  2. Step 2: Convert to fraction form
    1,101,595.84/1,520,353.36 = 618,189.56/x
  3. Step 3: Cross multiply
    1,101,595.84x = 1,520,353.36 × 618,189.56
  4. Step 4: Simplify right side
    1,101,595.84x = 939,866,574,662.92
  5. Step 5: Solve for x
    x = 939,866,574,662.92/1,101,595.84
  6. Step 6: Final answer
    x = 853,186.39

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Double scale
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1.5x scale

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.