Home / 907,384.20-1,252,116-525,435.72

Finding the Fourth Proportional to 907,384.20, 1,252,116 and 525,435.72

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Solution

The fourth proportional to 907,384.20, 1,252,116 and 525,435.72 is: 725,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,384.20 : 1,252,116 = 525,435.72 : x
  2. Step 2: Convert to fraction form
    907,384.20/1,252,116 = 525,435.72/x
  3. Step 3: Cross multiply
    907,384.20x = 1,252,116 × 525,435.72
  4. Step 4: Simplify right side
    907,384.20x = 657,906,471,983.52
  5. Step 5: Solve for x
    x = 657,906,471,983.52/907,384.20
  6. Step 6: Final answer
    x = 725,058.33

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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.