Home / 1,640,152.36-2,263,411.20-915,000.04

Finding the Fourth Proportional to 1,640,152.36, 2,263,411.20 and 915,000.04

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Solution

The fourth proportional to 1,640,152.36, 2,263,411.20 and 915,000.04 is: 1,262,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,152.36 : 2,263,411.20 = 915,000.04 : x
  2. Step 2: Convert to fraction form
    1,640,152.36/2,263,411.20 = 915,000.04/x
  3. Step 3: Cross multiply
    1,640,152.36x = 2,263,411.20 × 915,000.04
  4. Step 4: Simplify right side
    1,640,152.36x = 2,071,021,338,536.45
  5. Step 5: Solve for x
    x = 2,071,021,338,536.45/1,640,152.36
  6. Step 6: Final answer
    x = 1,262,700.58

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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.