Home / 674,150.05-930,700.75-459,605.35

Finding the Fourth Proportional to 674,150.05, 930,700.75 and 459,605.35

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Solution

The fourth proportional to 674,150.05, 930,700.75 and 459,605.35 is: 634,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,150.05 : 930,700.75 = 459,605.35 : x
  2. Step 2: Convert to fraction form
    674,150.05/930,700.75 = 459,605.35/x
  3. Step 3: Cross multiply
    674,150.05x = 930,700.75 × 459,605.35
  4. Step 4: Simplify right side
    674,150.05x = 427,755,039,295.51
  5. Step 5: Solve for x
    x = 427,755,039,295.51/674,150.05
  6. Step 6: Final answer
    x = 634,510.14

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Half scale
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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.