Home / 817,042.69-1,127,518.91-459,346.69

Finding the Fourth Proportional to 817,042.69, 1,127,518.91 and 459,346.69

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Solution

The fourth proportional to 817,042.69, 1,127,518.91 and 459,346.69 is: 633,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,042.69 : 1,127,518.91 = 459,346.69 : x
  2. Step 2: Convert to fraction form
    817,042.69/1,127,518.91 = 459,346.69/x
  3. Step 3: Cross multiply
    817,042.69x = 1,127,518.91 × 459,346.69
  4. Step 4: Simplify right side
    817,042.69x = 517,922,077,550.48
  5. Step 5: Solve for x
    x = 517,922,077,550.48/817,042.69
  6. Step 6: Final answer
    x = 633,898.43

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Half scale
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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.