Home / 936,510.57-1,292,384.58-506,790.69

Finding the Fourth Proportional to 936,510.57, 1,292,384.58 and 506,790.69

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Solution

The fourth proportional to 936,510.57, 1,292,384.58 and 506,790.69 is: 699,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,510.57 : 1,292,384.58 = 506,790.69 : x
  2. Step 2: Convert to fraction form
    936,510.57/1,292,384.58 = 506,790.69/x
  3. Step 3: Cross multiply
    936,510.57x = 1,292,384.58 × 506,790.69
  4. Step 4: Simplify right side
    936,510.57x = 654,968,473,043.56
  5. Step 5: Solve for x
    x = 654,968,473,043.56/936,510.57
  6. Step 6: Final answer
    x = 699,371.15

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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.