Home / 786,109.98-1,084,722.39-441,897.24

Finding the Fourth Proportional to 786,109.98, 1,084,722.39 and 441,897.24

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Solution

The fourth proportional to 786,109.98, 1,084,722.39 and 441,897.24 is: 609,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,109.98 : 1,084,722.39 = 441,897.24 : x
  2. Step 2: Convert to fraction form
    786,109.98/1,084,722.39 = 441,897.24/x
  3. Step 3: Cross multiply
    786,109.98x = 1,084,722.39 × 441,897.24
  4. Step 4: Simplify right side
    786,109.98x = 479,335,830,307.20
  5. Step 5: Solve for x
    x = 479,335,830,307.20/786,109.98
  6. Step 6: Final answer
    x = 609,756.70

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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.