Home / 528,546.60-729,394.77-286,829.17

Finding the Fourth Proportional to 528,546.60, 729,394.77 and 286,829.17

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Solution

The fourth proportional to 528,546.60, 729,394.77 and 286,829.17 is: 395,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,546.60 : 729,394.77 = 286,829.17 : x
  2. Step 2: Convert to fraction form
    528,546.60/729,394.77 = 286,829.17/x
  3. Step 3: Cross multiply
    528,546.60x = 729,394.77 × 286,829.17
  4. Step 4: Simplify right side
    528,546.60x = 209,211,692,834.47
  5. Step 5: Solve for x
    x = 209,211,692,834.47/528,546.60
  6. Step 6: Final answer
    x = 395,824.50

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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.