Home / 834,307.02-1,151,272.82-471,680.54

Finding the Fourth Proportional to 834,307.02, 1,151,272.82 and 471,680.54

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Solution

The fourth proportional to 834,307.02, 1,151,272.82 and 471,680.54 is: 650,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,307.02 : 1,151,272.82 = 471,680.54 : x
  2. Step 2: Convert to fraction form
    834,307.02/1,151,272.82 = 471,680.54/x
  3. Step 3: Cross multiply
    834,307.02x = 1,151,272.82 × 471,680.54
  4. Step 4: Simplify right side
    834,307.02x = 543,032,985,424.92
  5. Step 5: Solve for x
    x = 543,032,985,424.92/834,307.02
  6. Step 6: Final answer
    x = 650,879.08

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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.