Home / 1,116,772.72-1,541,139.36-607,477.12

Finding the Fourth Proportional to 1,116,772.72, 1,541,139.36 and 607,477.12

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Solution

The fourth proportional to 1,116,772.72, 1,541,139.36 and 607,477.12 is: 838,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,772.72 : 1,541,139.36 = 607,477.12 : x
  2. Step 2: Convert to fraction form
    1,116,772.72/1,541,139.36 = 607,477.12/x
  3. Step 3: Cross multiply
    1,116,772.72x = 1,541,139.36 × 607,477.12
  4. Step 4: Simplify right side
    1,116,772.72x = 936,206,899,931.44
  5. Step 5: Solve for x
    x = 936,206,899,931.44/1,116,772.72
  6. Step 6: Final answer
    x = 838,314.62

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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.