Home / 833,907.15-1,151,356.77-528,254.76

Finding the Fourth Proportional to 833,907.15, 1,151,356.77 and 528,254.76

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Solution

The fourth proportional to 833,907.15, 1,151,356.77 and 528,254.76 is: 729,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,907.15 : 1,151,356.77 = 528,254.76 : x
  2. Step 2: Convert to fraction form
    833,907.15/1,151,356.77 = 528,254.76/x
  3. Step 3: Cross multiply
    833,907.15x = 1,151,356.77 × 528,254.76
  4. Step 4: Simplify right side
    833,907.15x = 608,209,694,210.73
  5. Step 5: Solve for x
    x = 608,209,694,210.73/833,907.15
  6. Step 6: Final answer
    x = 729,349.42

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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.