Home / 975,135.58-1,345,695.66-545,455.69

Finding the Fourth Proportional to 975,135.58, 1,345,695.66 and 545,455.69

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Solution

The fourth proportional to 975,135.58, 1,345,695.66 and 545,455.69 is: 752,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,135.58 : 1,345,695.66 = 545,455.69 : x
  2. Step 2: Convert to fraction form
    975,135.58/1,345,695.66 = 545,455.69/x
  3. Step 3: Cross multiply
    975,135.58x = 1,345,695.66 × 545,455.69
  4. Step 4: Simplify right side
    975,135.58x = 734,017,351,391.07
  5. Step 5: Solve for x
    x = 734,017,351,391.07/975,135.58
  6. Step 6: Final answer
    x = 752,733.64

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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.