Home / 907,236.80-1,251,905.46-525,289.40

Finding the Fourth Proportional to 907,236.80, 1,251,905.46 and 525,289.40

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Solution

The fourth proportional to 907,236.80, 1,251,905.46 and 525,289.40 is: 724,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,236.80 : 1,251,905.46 = 525,289.40 : x
  2. Step 2: Convert to fraction form
    907,236.80/1,251,905.46 = 525,289.40/x
  3. Step 3: Cross multiply
    907,236.80x = 1,251,905.46 × 525,289.40
  4. Step 4: Simplify right side
    907,236.80x = 657,612,667,940.12
  5. Step 5: Solve for x
    x = 657,612,667,940.12/907,236.80
  6. Step 6: Final answer
    x = 724,852.29

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Double scale
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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.