Home / 873,631.01-1,205,608.33-491,657.79

Finding the Fourth Proportional to 873,631.01, 1,205,608.33 and 491,657.79

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Solution

The fourth proportional to 873,631.01, 1,205,608.33 and 491,657.79 is: 678,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,631.01 : 1,205,608.33 = 491,657.79 : x
  2. Step 2: Convert to fraction form
    873,631.01/1,205,608.33 = 491,657.79/x
  3. Step 3: Cross multiply
    873,631.01x = 1,205,608.33 × 491,657.79
  4. Step 4: Simplify right side
    873,631.01x = 592,746,732,268.99
  5. Step 5: Solve for x
    x = 592,746,732,268.99/873,631.01
  6. Step 6: Final answer
    x = 678,486.37

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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.