Home / 877,089.36-1,210,392.32-514,519.39

Finding the Fourth Proportional to 877,089.36, 1,210,392.32 and 514,519.39

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Solution

The fourth proportional to 877,089.36, 1,210,392.32 and 514,519.39 is: 710,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,089.36 : 1,210,392.32 = 514,519.39 : x
  2. Step 2: Convert to fraction form
    877,089.36/1,210,392.32 = 514,519.39/x
  3. Step 3: Cross multiply
    877,089.36x = 1,210,392.32 × 514,519.39
  4. Step 4: Simplify right side
    877,089.36x = 622,770,317,087.48
  5. Step 5: Solve for x
    x = 622,770,317,087.48/877,089.36
  6. Step 6: Final answer
    x = 710,042.04

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1.5x scale

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.