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Finding the Fourth Proportional to 793,980.13, 1,095,696.64 and 431,404.92

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Solution

The fourth proportional to 793,980.13, 1,095,696.64 and 431,404.92 is: 595,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,980.13 : 1,095,696.64 = 431,404.92 : x
  2. Step 2: Convert to fraction form
    793,980.13/1,095,696.64 = 431,404.92/x
  3. Step 3: Cross multiply
    793,980.13x = 1,095,696.64 × 431,404.92
  4. Step 4: Simplify right side
    793,980.13x = 472,688,921,323.47
  5. Step 5: Solve for x
    x = 472,688,921,323.47/793,980.13
  6. Step 6: Final answer
    x = 595,341.00

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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.