Home / 912,609.36-1,368,809.46-238,755.69

Finding the Fourth Proportional to 912,609.36, 1,368,809.46 and 238,755.69

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Solution

The fourth proportional to 912,609.36, 1,368,809.46 and 238,755.69 is: 358,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609.36 : 1,368,809.46 = 238,755.69 : x
  2. Step 2: Convert to fraction form
    912,609.36/1,368,809.46 = 238,755.69/x
  3. Step 3: Cross multiply
    912,609.36x = 1,368,809.46 × 238,755.69
  4. Step 4: Simplify right side
    912,609.36x = 326,811,047,916.51
  5. Step 5: Solve for x
    x = 326,811,047,916.51/912,609.36
  6. Step 6: Final answer
    x = 358,106.18

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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.