Home / 739,802.16-1,020,930.48-417,525.84

Finding the Fourth Proportional to 739,802.16, 1,020,930.48 and 417,525.84

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Solution

The fourth proportional to 739,802.16, 1,020,930.48 and 417,525.84 is: 576,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,802.16 : 1,020,930.48 = 417,525.84 : x
  2. Step 2: Convert to fraction form
    739,802.16/1,020,930.48 = 417,525.84/x
  3. Step 3: Cross multiply
    739,802.16x = 1,020,930.48 × 417,525.84
  4. Step 4: Simplify right side
    739,802.16x = 426,264,856,243.60
  5. Step 5: Solve for x
    x = 426,264,856,243.60/739,802.16
  6. Step 6: Final answer
    x = 576,187.63

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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.