Home / 738,870.29-1,019,620.64-416,577.59

Finding the Fourth Proportional to 738,870.29, 1,019,620.64 and 416,577.59

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Solution

The fourth proportional to 738,870.29, 1,019,620.64 and 416,577.59 is: 574,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,870.29 : 1,019,620.64 = 416,577.59 : x
  2. Step 2: Convert to fraction form
    738,870.29/1,019,620.64 = 416,577.59/x
  3. Step 3: Cross multiply
    738,870.29x = 1,019,620.64 × 416,577.59
  4. Step 4: Simplify right side
    738,870.29x = 424,751,106,842.57
  5. Step 5: Solve for x
    x = 424,751,106,842.57/738,870.29
  6. Step 6: Final answer
    x = 574,865.59

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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.