Home / 858,214.52-1,183,512.22-513,995.32

Finding the Fourth Proportional to 858,214.52, 1,183,512.22 and 513,995.32

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Solution

The fourth proportional to 858,214.52, 1,183,512.22 and 513,995.32 is: 708,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,214.52 : 1,183,512.22 = 513,995.32 : x
  2. Step 2: Convert to fraction form
    858,214.52/1,183,512.22 = 513,995.32/x
  3. Step 3: Cross multiply
    858,214.52x = 1,183,512.22 × 513,995.32
  4. Step 4: Simplify right side
    858,214.52x = 608,319,742,242.81
  5. Step 5: Solve for x
    x = 608,319,742,242.81/858,214.52
  6. Step 6: Final answer
    x = 708,820.15

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Double scale
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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.