Home / 779,097.39-1,075,155.44-439,597.23

Finding the Fourth Proportional to 779,097.39, 1,075,155.44 and 439,597.23

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Solution

The fourth proportional to 779,097.39, 1,075,155.44 and 439,597.23 is: 606,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,097.39 : 1,075,155.44 = 439,597.23 : x
  2. Step 2: Convert to fraction form
    779,097.39/1,075,155.44 = 439,597.23/x
  3. Step 3: Cross multiply
    779,097.39x = 1,075,155.44 × 439,597.23
  4. Step 4: Simplify right side
    779,097.39x = 472,635,351,045.45
  5. Step 5: Solve for x
    x = 472,635,351,045.45/779,097.39
  6. Step 6: Final answer
    x = 606,644.76

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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.