Home / 858,647.12-1,184,722.44-514,538.96

Finding the Fourth Proportional to 858,647.12, 1,184,722.44 and 514,538.96

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Solution

The fourth proportional to 858,647.12, 1,184,722.44 and 514,538.96 is: 709,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,647.12 : 1,184,722.44 = 514,538.96 : x
  2. Step 2: Convert to fraction form
    858,647.12/1,184,722.44 = 514,538.96/x
  3. Step 3: Cross multiply
    858,647.12x = 1,184,722.44 × 514,538.96
  4. Step 4: Simplify right side
    858,647.12x = 609,585,852,166.26
  5. Step 5: Solve for x
    x = 609,585,852,166.26/858,647.12
  6. Step 6: Final answer
    x = 709,937.57

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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.