Home / 776,208.98-1,070,814.38-561,008.18

Finding the Fourth Proportional to 776,208.98, 1,070,814.38 and 561,008.18

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Solution

The fourth proportional to 776,208.98, 1,070,814.38 and 561,008.18 is: 773,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,208.98 : 1,070,814.38 = 561,008.18 : x
  2. Step 2: Convert to fraction form
    776,208.98/1,070,814.38 = 561,008.18/x
  3. Step 3: Cross multiply
    776,208.98x = 1,070,814.38 × 561,008.18
  4. Step 4: Simplify right side
    776,208.98x = 600,735,626,441.63
  5. Step 5: Solve for x
    x = 600,735,626,441.63/776,208.98
  6. Step 6: Final answer
    x = 773,935.42

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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.