Home / 1,126,042.80-1,685,953.80-877,210.80

Finding the Fourth Proportional to 1,126,042.80, 1,685,953.80 and 877,210.80

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Solution

The fourth proportional to 1,126,042.80, 1,685,953.80 and 877,210.80 is: 1,313,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,042.80 : 1,685,953.80 = 877,210.80 : x
  2. Step 2: Convert to fraction form
    1,126,042.80/1,685,953.80 = 877,210.80/x
  3. Step 3: Cross multiply
    1,126,042.80x = 1,685,953.80 × 877,210.80
  4. Step 4: Simplify right side
    1,126,042.80x = 1,478,936,881,661.04
  5. Step 5: Solve for x
    x = 1,478,936,881,661.04/1,126,042.80
  6. Step 6: Final answer
    x = 1,313,393.13

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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.