Home / 786,056.16-1,179,333.48-280,606.02

Finding the Fourth Proportional to 786,056.16, 1,179,333.48 and 280,606.02

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Solution

The fourth proportional to 786,056.16, 1,179,333.48 and 280,606.02 is: 420,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,056.16 : 1,179,333.48 = 280,606.02 : x
  2. Step 2: Convert to fraction form
    786,056.16/1,179,333.48 = 280,606.02/x
  3. Step 3: Cross multiply
    786,056.16x = 1,179,333.48 × 280,606.02
  4. Step 4: Simplify right side
    786,056.16x = 330,928,074,075.55
  5. Step 5: Solve for x
    x = 330,928,074,075.55/786,056.16
  6. Step 6: Final answer
    x = 420,998.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.