Home / 682,948.51-942,476.56-377,025.08

Finding the Fourth Proportional to 682,948.51, 942,476.56 and 377,025.08

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Solution

The fourth proportional to 682,948.51, 942,476.56 and 377,025.08 is: 520,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,948.51 : 942,476.56 = 377,025.08 : x
  2. Step 2: Convert to fraction form
    682,948.51/942,476.56 = 377,025.08/x
  3. Step 3: Cross multiply
    682,948.51x = 942,476.56 × 377,025.08
  4. Step 4: Simplify right side
    682,948.51x = 355,337,302,199.38
  5. Step 5: Solve for x
    x = 355,337,302,199.38/682,948.51
  6. Step 6: Final answer
    x = 520,298.82

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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.