Home / 1,256,944.38-1,885,434.12-358,386.45

Finding the Fourth Proportional to 1,256,944.38, 1,885,434.12 and 358,386.45

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Solution

The fourth proportional to 1,256,944.38, 1,885,434.12 and 358,386.45 is: 537,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,944.38 : 1,885,434.12 = 358,386.45 : x
  2. Step 2: Convert to fraction form
    1,256,944.38/1,885,434.12 = 358,386.45/x
  3. Step 3: Cross multiply
    1,256,944.38x = 1,885,434.12 × 358,386.45
  4. Step 4: Simplify right side
    1,256,944.38x = 675,714,040,975.67
  5. Step 5: Solve for x
    x = 675,714,040,975.67/1,256,944.38
  6. Step 6: Final answer
    x = 537,584.68

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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.