Home / 1,640,250.86-2,263,547.60-915,098.72

Finding the Fourth Proportional to 1,640,250.86, 2,263,547.60 and 915,098.72

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Solution

The fourth proportional to 1,640,250.86, 2,263,547.60 and 915,098.72 is: 1,262,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,250.86 : 2,263,547.60 = 915,098.72 : x
  2. Step 2: Convert to fraction form
    1,640,250.86/2,263,547.60 = 915,098.72/x
  3. Step 3: Cross multiply
    1,640,250.86x = 2,263,547.60 × 915,098.72
  4. Step 4: Simplify right side
    1,640,250.86x = 2,071,369,512,502.45
  5. Step 5: Solve for x
    x = 2,071,369,512,502.45/1,640,250.86
  6. Step 6: Final answer
    x = 1,262,837.03

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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.