Home / 936,518.49-1,292,395.49-506,798.61

Finding the Fourth Proportional to 936,518.49, 1,292,395.49 and 506,798.61

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Solution

The fourth proportional to 936,518.49, 1,292,395.49 and 506,798.61 is: 699,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,518.49 : 1,292,395.49 = 506,798.61 : x
  2. Step 2: Convert to fraction form
    936,518.49/1,292,395.49 = 506,798.61/x
  3. Step 3: Cross multiply
    936,518.49x = 1,292,395.49 × 506,798.61
  4. Step 4: Simplify right side
    936,518.49x = 654,984,235,368.28
  5. Step 5: Solve for x
    x = 654,984,235,368.28/936,518.49
  6. Step 6: Final answer
    x = 699,382.06

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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.