Home / 833,905.15-1,151,354.01-528,252.76

Finding the Fourth Proportional to 833,905.15, 1,151,354.01 and 528,252.76

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Solution

The fourth proportional to 833,905.15, 1,151,354.01 and 528,252.76 is: 729,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,905.15 : 1,151,354.01 = 528,252.76 : x
  2. Step 2: Convert to fraction form
    833,905.15/1,151,354.01 = 528,252.76/x
  3. Step 3: Cross multiply
    833,905.15x = 1,151,354.01 × 528,252.76
  4. Step 4: Simplify right side
    833,905.15x = 608,205,937,949.30
  5. Step 5: Solve for x
    x = 608,205,937,949.30/833,905.15
  6. Step 6: Final answer
    x = 729,346.66

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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.