Home / 780,565.41-1,077,234.66-436,468.32

Finding the Fourth Proportional to 780,565.41, 1,077,234.66 and 436,468.32

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Solution

The fourth proportional to 780,565.41, 1,077,234.66 and 436,468.32 is: 602,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,565.41 : 1,077,234.66 = 436,468.32 : x
  2. Step 2: Convert to fraction form
    780,565.41/1,077,234.66 = 436,468.32/x
  3. Step 3: Cross multiply
    780,565.41x = 1,077,234.66 × 436,468.32
  4. Step 4: Simplify right side
    780,565.41x = 470,178,802,295.97
  5. Step 5: Solve for x
    x = 470,178,802,295.97/780,565.41
  6. Step 6: Final answer
    x = 602,356.70

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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.