Home / 738,976.23-1,019,700.54-416,667.11

Finding the Fourth Proportional to 738,976.23, 1,019,700.54 and 416,667.11

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Solution

The fourth proportional to 738,976.23, 1,019,700.54 and 416,667.11 is: 574,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,976.23 : 1,019,700.54 = 416,667.11 : x
  2. Step 2: Convert to fraction form
    738,976.23/1,019,700.54 = 416,667.11/x
  3. Step 3: Cross multiply
    738,976.23x = 1,019,700.54 × 416,667.11
  4. Step 4: Simplify right side
    738,976.23x = 424,875,671,968.74
  5. Step 5: Solve for x
    x = 424,875,671,968.74/738,976.23
  6. Step 6: Final answer
    x = 574,951.74

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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.