Home / 1,169,678.56-1,614,123.12-660,428.32

Finding the Fourth Proportional to 1,169,678.56, 1,614,123.12 and 660,428.32

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Solution

The fourth proportional to 1,169,678.56, 1,614,123.12 and 660,428.32 is: 911,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,678.56 : 1,614,123.12 = 660,428.32 : x
  2. Step 2: Convert to fraction form
    1,169,678.56/1,614,123.12 = 660,428.32/x
  3. Step 3: Cross multiply
    1,169,678.56x = 1,614,123.12 × 660,428.32
  4. Step 4: Simplify right side
    1,169,678.56x = 1,066,012,620,414.76
  5. Step 5: Solve for x
    x = 1,066,012,620,414.76/1,169,678.56
  6. Step 6: Final answer
    x = 911,372.28

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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.