Home / 738,527.40-1,019,138.19-416,304.35

Finding the Fourth Proportional to 738,527.40, 1,019,138.19 and 416,304.35

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Solution

The fourth proportional to 738,527.40, 1,019,138.19 and 416,304.35 is: 574,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,527.40 : 1,019,138.19 = 416,304.35 : x
  2. Step 2: Convert to fraction form
    738,527.40/1,019,138.19 = 416,304.35/x
  3. Step 3: Cross multiply
    738,527.40x = 1,019,138.19 × 416,304.35
  4. Step 4: Simplify right side
    738,527.40x = 424,271,656,652.44
  5. Step 5: Solve for x
    x = 424,271,656,652.44/738,527.40
  6. Step 6: Final answer
    x = 574,483.30

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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.