Home / 1,007,856.65-1,390,850.42-548,973.02

Finding the Fourth Proportional to 1,007,856.65, 1,390,850.42 and 548,973.02

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Solution

The fourth proportional to 1,007,856.65, 1,390,850.42 and 548,973.02 is: 757,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,856.65 : 1,390,850.42 = 548,973.02 : x
  2. Step 2: Convert to fraction form
    1,007,856.65/1,390,850.42 = 548,973.02/x
  3. Step 3: Cross multiply
    1,007,856.65x = 1,390,850.42 × 548,973.02
  4. Step 4: Simplify right side
    1,007,856.65x = 763,539,355,435.67
  5. Step 5: Solve for x
    x = 763,539,355,435.67/1,007,856.65
  6. Step 6: Final answer
    x = 757,587.26

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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.