Home / 1,207,752.39-1,666,698.53-663,923.25

Finding the Fourth Proportional to 1,207,752.39, 1,666,698.53 and 663,923.25

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Solution

The fourth proportional to 1,207,752.39, 1,666,698.53 and 663,923.25 is: 916,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,752.39 : 1,666,698.53 = 663,923.25 : x
  2. Step 2: Convert to fraction form
    1,207,752.39/1,666,698.53 = 663,923.25/x
  3. Step 3: Cross multiply
    1,207,752.39x = 1,666,698.53 × 663,923.25
  4. Step 4: Simplify right side
    1,207,752.39x = 1,106,559,901,488.21
  5. Step 5: Solve for x
    x = 1,106,559,901,488.21/1,207,752.39
  6. Step 6: Final answer
    x = 916,214.21

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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.