Home / 936,930.83-1,292,964.95-507,210.94

Finding the Fourth Proportional to 936,930.83, 1,292,964.95 and 507,210.94

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Solution

The fourth proportional to 936,930.83, 1,292,964.95 and 507,210.94 is: 699,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,930.83 : 1,292,964.95 = 507,210.94 : x
  2. Step 2: Convert to fraction form
    936,930.83/1,292,964.95 = 507,210.94/x
  3. Step 3: Cross multiply
    936,930.83x = 1,292,964.95 × 507,210.94
  4. Step 4: Simplify right side
    936,930.83x = 655,805,965,712.17
  5. Step 5: Solve for x
    x = 655,805,965,712.17/936,930.83
  6. Step 6: Final answer
    x = 699,951.31

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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.