Home / 908,030.80-1,362,053.40-276,950.80

Finding the Fourth Proportional to 908,030.80, 1,362,053.40 and 276,950.80

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Solution

The fourth proportional to 908,030.80, 1,362,053.40 and 276,950.80 is: 415,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,030.80 : 1,362,053.40 = 276,950.80 : x
  2. Step 2: Convert to fraction form
    908,030.80/1,362,053.40 = 276,950.80/x
  3. Step 3: Cross multiply
    908,030.80x = 1,362,053.40 × 276,950.80
  4. Step 4: Simplify right side
    908,030.80x = 377,221,778,772.72
  5. Step 5: Solve for x
    x = 377,221,778,772.72/908,030.80
  6. Step 6: Final answer
    x = 415,428.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.