Home / 986,239.69-1,361,010.78-533,530.69

Finding the Fourth Proportional to 986,239.69, 1,361,010.78 and 533,530.69

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Solution

The fourth proportional to 986,239.69, 1,361,010.78 and 533,530.69 is: 736,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,239.69 : 1,361,010.78 = 533,530.69 : x
  2. Step 2: Convert to fraction form
    986,239.69/1,361,010.78 = 533,530.69/x
  3. Step 3: Cross multiply
    986,239.69x = 1,361,010.78 × 533,530.69
  4. Step 4: Simplify right side
    986,239.69x = 726,141,017,148.31
  5. Step 5: Solve for x
    x = 726,141,017,148.31/986,239.69
  6. Step 6: Final answer
    x = 736,272.35

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Double scale
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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.