Home / 858,619.49-1,184,835.51-476,616.20

Finding the Fourth Proportional to 858,619.49, 1,184,835.51 and 476,616.20

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Solution

The fourth proportional to 858,619.49, 1,184,835.51 and 476,616.20 is: 657,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,619.49 : 1,184,835.51 = 476,616.20 : x
  2. Step 2: Convert to fraction form
    858,619.49/1,184,835.51 = 476,616.20/x
  3. Step 3: Cross multiply
    858,619.49x = 1,184,835.51 × 476,616.20
  4. Step 4: Simplify right side
    858,619.49x = 564,711,792,477.09
  5. Step 5: Solve for x
    x = 564,711,792,477.09/858,619.49
  6. Step 6: Final answer
    x = 657,697.39

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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.