Home / 778,751.11-1,074,674.40-434,583.46

Finding the Fourth Proportional to 778,751.11, 1,074,674.40 and 434,583.46

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Solution

The fourth proportional to 778,751.11, 1,074,674.40 and 434,583.46 is: 599,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,751.11 : 1,074,674.40 = 434,583.46 : x
  2. Step 2: Convert to fraction form
    778,751.11/1,074,674.40 = 434,583.46/x
  3. Step 3: Cross multiply
    778,751.11x = 1,074,674.40 × 434,583.46
  4. Step 4: Simplify right side
    778,751.11x = 467,035,719,125.42
  5. Step 5: Solve for x
    x = 467,035,719,125.42/778,751.11
  6. Step 6: Final answer
    x = 599,723.99

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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.