Home / 438,009.93-604,417.55-247,070.25

Finding the Fourth Proportional to 438,009.93, 604,417.55 and 247,070.25

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Solution

The fourth proportional to 438,009.93, 604,417.55 and 247,070.25 is: 340,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,009.93 : 604,417.55 = 247,070.25 : x
  2. Step 2: Convert to fraction form
    438,009.93/604,417.55 = 247,070.25/x
  3. Step 3: Cross multiply
    438,009.93x = 604,417.55 × 247,070.25
  4. Step 4: Simplify right side
    438,009.93x = 149,333,593,947.54
  5. Step 5: Solve for x
    x = 149,333,593,947.54/438,009.93
  6. Step 6: Final answer
    x = 340,936.55

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Similar ratio
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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.