Home / 1,007,772.60-1,390,741.20-548,908.32

Finding the Fourth Proportional to 1,007,772.60, 1,390,741.20 and 548,908.32

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Solution

The fourth proportional to 1,007,772.60, 1,390,741.20 and 548,908.32 is: 757,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,772.60 : 1,390,741.20 = 548,908.32 : x
  2. Step 2: Convert to fraction form
    1,007,772.60/1,390,741.20 = 548,908.32/x
  3. Step 3: Cross multiply
    1,007,772.60x = 1,390,741.20 × 548,908.32
  4. Step 4: Simplify right side
    1,007,772.60x = 763,389,415,646.78
  5. Step 5: Solve for x
    x = 763,389,415,646.78/1,007,772.60
  6. Step 6: Final answer
    x = 757,501.66

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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.