Home / 1,111,679.50-1,534,123.03-602,382.78

Finding the Fourth Proportional to 1,111,679.50, 1,534,123.03 and 602,382.78

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Solution

The fourth proportional to 1,111,679.50, 1,534,123.03 and 602,382.78 is: 831,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,679.50 : 1,534,123.03 = 602,382.78 : x
  2. Step 2: Convert to fraction form
    1,111,679.50/1,534,123.03 = 602,382.78/x
  3. Step 3: Cross multiply
    1,111,679.50x = 1,534,123.03 × 602,382.78
  4. Step 4: Simplify right side
    1,111,679.50x = 924,129,295,673.42
  5. Step 5: Solve for x
    x = 924,129,295,673.42/1,111,679.50
  6. Step 6: Final answer
    x = 831,291.12

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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.