Home / 778,975.04-1,074,996-439,442.24

Finding the Fourth Proportional to 778,975.04, 1,074,996 and 439,442.24

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Solution

The fourth proportional to 778,975.04, 1,074,996 and 439,442.24 is: 606,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,975.04 : 1,074,996 = 439,442.24 : x
  2. Step 2: Convert to fraction form
    778,975.04/1,074,996 = 439,442.24/x
  3. Step 3: Cross multiply
    778,975.04x = 1,074,996 × 439,442.24
  4. Step 4: Simplify right side
    778,975.04x = 472,398,650,231.04
  5. Step 5: Solve for x
    x = 472,398,650,231.04/778,975.04
  6. Step 6: Final answer
    x = 606,436.18

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Double scale
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Similar ratio
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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.