Home / 849,686.76-1,172,667.42-477,210.75

Finding the Fourth Proportional to 849,686.76, 1,172,667.42 and 477,210.75

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Solution

The fourth proportional to 849,686.76, 1,172,667.42 and 477,210.75 is: 658,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,686.76 : 1,172,667.42 = 477,210.75 : x
  2. Step 2: Convert to fraction form
    849,686.76/1,172,667.42 = 477,210.75/x
  3. Step 3: Cross multiply
    849,686.76x = 1,172,667.42 × 477,210.75
  4. Step 4: Simplify right side
    849,686.76x = 559,609,500,737.41
  5. Step 5: Solve for x
    x = 559,609,500,737.41/849,686.76
  6. Step 6: Final answer
    x = 658,606.83

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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.