Home / 858,405.69-1,184,723.27-514,256.34

Finding the Fourth Proportional to 858,405.69, 1,184,723.27 and 514,256.34

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Solution

The fourth proportional to 858,405.69, 1,184,723.27 and 514,256.34 is: 709,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,405.69 : 1,184,723.27 = 514,256.34 : x
  2. Step 2: Convert to fraction form
    858,405.69/1,184,723.27 = 514,256.34/x
  3. Step 3: Cross multiply
    858,405.69x = 1,184,723.27 × 514,256.34
  4. Step 4: Simplify right side
    858,405.69x = 609,251,450,171.75
  5. Step 5: Solve for x
    x = 609,251,450,171.75/858,405.69
  6. Step 6: Final answer
    x = 709,747.68

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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.