Home / 1,141,428.43-1,574,412.78-734,045.32

Finding the Fourth Proportional to 1,141,428.43, 1,574,412.78 and 734,045.32

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Solution

The fourth proportional to 1,141,428.43, 1,574,412.78 and 734,045.32 is: 1,012,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,428.43 : 1,574,412.78 = 734,045.32 : x
  2. Step 2: Convert to fraction form
    1,141,428.43/1,574,412.78 = 734,045.32/x
  3. Step 3: Cross multiply
    1,141,428.43x = 1,574,412.78 × 734,045.32
  4. Step 4: Simplify right side
    1,141,428.43x = 1,155,690,332,907.19
  5. Step 5: Solve for x
    x = 1,155,690,332,907.19/1,141,428.43
  6. Step 6: Final answer
    x = 1,012,494.79

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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.