Home / 858,133.76-1,184,167.68-476,136.32

Finding the Fourth Proportional to 858,133.76, 1,184,167.68 and 476,136.32

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Solution

The fourth proportional to 858,133.76, 1,184,167.68 and 476,136.32 is: 657,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,133.76 : 1,184,167.68 = 476,136.32 : x
  2. Step 2: Convert to fraction form
    858,133.76/1,184,167.68 = 476,136.32/x
  3. Step 3: Cross multiply
    858,133.76x = 1,184,167.68 × 476,136.32
  4. Step 4: Simplify right side
    858,133.76x = 563,825,241,418.14
  5. Step 5: Solve for x
    x = 563,825,241,418.14/858,133.76
  6. Step 6: Final answer
    x = 657,036.55

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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.