Home / 626,936.36-865,437.01-423,263.15

Finding the Fourth Proportional to 626,936.36, 865,437.01 and 423,263.15

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Solution

The fourth proportional to 626,936.36, 865,437.01 and 423,263.15 is: 584,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,936.36 : 865,437.01 = 423,263.15 : x
  2. Step 2: Convert to fraction form
    626,936.36/865,437.01 = 423,263.15/x
  3. Step 3: Cross multiply
    626,936.36x = 865,437.01 × 423,263.15
  4. Step 4: Simplify right side
    626,936.36x = 366,307,589,593.84
  5. Step 5: Solve for x
    x = 366,307,589,593.84/626,936.36
  6. Step 6: Final answer
    x = 584,281.94

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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.