Home / 651,085.20-976,919.40-295,916.40

Finding the Fourth Proportional to 651,085.20, 976,919.40 and 295,916.40

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Solution

The fourth proportional to 651,085.20, 976,919.40 and 295,916.40 is: 444,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,085.20 : 976,919.40 = 295,916.40 : x
  2. Step 2: Convert to fraction form
    651,085.20/976,919.40 = 295,916.40/x
  3. Step 3: Cross multiply
    651,085.20x = 976,919.40 × 295,916.40
  4. Step 4: Simplify right side
    651,085.20x = 289,086,471,938.16
  5. Step 5: Solve for x
    x = 289,086,471,938.16/651,085.20
  6. Step 6: Final answer
    x = 444,007.13

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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.