Home / 780,184.48-1,076,641.86-436,025.20

Finding the Fourth Proportional to 780,184.48, 1,076,641.86 and 436,025.20

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Solution

The fourth proportional to 780,184.48, 1,076,641.86 and 436,025.20 is: 601,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,184.48 : 1,076,641.86 = 436,025.20 : x
  2. Step 2: Convert to fraction form
    780,184.48/1,076,641.86 = 436,025.20/x
  3. Step 3: Cross multiply
    780,184.48x = 1,076,641.86 × 436,025.20
  4. Step 4: Simplify right side
    780,184.48x = 469,442,982,334.87
  5. Step 5: Solve for x
    x = 469,442,982,334.87/780,184.48
  6. Step 6: Final answer
    x = 601,707.67

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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.