Home / 1,036,675.51-1,554,908.17-278,418.45

Finding the Fourth Proportional to 1,036,675.51, 1,554,908.17 and 278,418.45

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Solution

The fourth proportional to 1,036,675.51, 1,554,908.17 and 278,418.45 is: 417,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,675.51 : 1,554,908.17 = 278,418.45 : x
  2. Step 2: Convert to fraction form
    1,036,675.51/1,554,908.17 = 278,418.45/x
  3. Step 3: Cross multiply
    1,036,675.51x = 1,554,908.17 × 278,418.45
  4. Step 4: Simplify right side
    1,036,675.51x = 432,915,122,583.74
  5. Step 5: Solve for x
    x = 432,915,122,583.74/1,036,675.51
  6. Step 6: Final answer
    x = 417,599.45

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Double scale
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1.5x scale

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.