Home / 1,110,206.16-1,531,945.80-626,711.76

Finding the Fourth Proportional to 1,110,206.16, 1,531,945.80 and 626,711.76

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Solution

The fourth proportional to 1,110,206.16, 1,531,945.80 and 626,711.76 is: 864,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,206.16 : 1,531,945.80 = 626,711.76 : x
  2. Step 2: Convert to fraction form
    1,110,206.16/1,531,945.80 = 626,711.76/x
  3. Step 3: Cross multiply
    1,110,206.16x = 1,531,945.80 × 626,711.76
  4. Step 4: Simplify right side
    1,110,206.16x = 960,088,448,542.61
  5. Step 5: Solve for x
    x = 960,088,448,542.61/1,110,206.16
  6. Step 6: Final answer
    x = 864,783.93

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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.