Home / 858,640.40-1,184,954.28-476,673.20

Finding the Fourth Proportional to 858,640.40, 1,184,954.28 and 476,673.20

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Solution

The fourth proportional to 858,640.40, 1,184,954.28 and 476,673.20 is: 657,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,640.40 : 1,184,954.28 = 476,673.20 : x
  2. Step 2: Convert to fraction form
    858,640.40/1,184,954.28 = 476,673.20/x
  3. Step 3: Cross multiply
    858,640.40x = 1,184,954.28 × 476,673.20
  4. Step 4: Simplify right side
    858,640.40x = 564,835,948,501.30
  5. Step 5: Solve for x
    x = 564,835,948,501.30/858,640.40
  6. Step 6: Final answer
    x = 657,825.96

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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.