Home / 738,445.80-1,019,059.14-416,160.84

Finding the Fourth Proportional to 738,445.80, 1,019,059.14 and 416,160.84

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Solution

The fourth proportional to 738,445.80, 1,019,059.14 and 416,160.84 is: 574,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,445.80 : 1,019,059.14 = 416,160.84 : x
  2. Step 2: Convert to fraction form
    738,445.80/1,019,059.14 = 416,160.84/x
  3. Step 3: Cross multiply
    738,445.80x = 1,019,059.14 × 416,160.84
  4. Step 4: Simplify right side
    738,445.80x = 424,092,507,712.08
  5. Step 5: Solve for x
    x = 424,092,507,712.08/738,445.80
  6. Step 6: Final answer
    x = 574,304.18

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Double scale
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Similar ratio
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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.