Home / 808,225.30-1,212,337.95-528,058.90

Finding the Fourth Proportional to 808,225.30, 1,212,337.95 and 528,058.90

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Solution

The fourth proportional to 808,225.30, 1,212,337.95 and 528,058.90 is: 792,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,225.30 : 1,212,337.95 = 528,058.90 : x
  2. Step 2: Convert to fraction form
    808,225.30/1,212,337.95 = 528,058.90/x
  3. Step 3: Cross multiply
    808,225.30x = 1,212,337.95 × 528,058.90
  4. Step 4: Simplify right side
    808,225.30x = 640,185,844,305.26
  5. Step 5: Solve for x
    x = 640,185,844,305.26/808,225.30
  6. Step 6: Final answer
    x = 792,088.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.