Home / 858,356.16-1,184,476.32-476,383.20

Finding the Fourth Proportional to 858,356.16, 1,184,476.32 and 476,383.20

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Solution

The fourth proportional to 858,356.16, 1,184,476.32 and 476,383.20 is: 657,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,356.16 : 1,184,476.32 = 476,383.20 : x
  2. Step 2: Convert to fraction form
    858,356.16/1,184,476.32 = 476,383.20/x
  3. Step 3: Cross multiply
    858,356.16x = 1,184,476.32 × 476,383.20
  4. Step 4: Simplify right side
    858,356.16x = 564,264,619,645.82
  5. Step 5: Solve for x
    x = 564,264,619,645.82/858,356.16
  6. Step 6: Final answer
    x = 657,378.19

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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.