Home / 739,095.63-1,019,954.39-399,566.31

Finding the Fourth Proportional to 739,095.63, 1,019,954.39 and 399,566.31

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Solution

The fourth proportional to 739,095.63, 1,019,954.39 and 399,566.31 is: 551,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,095.63 : 1,019,954.39 = 399,566.31 : x
  2. Step 2: Convert to fraction form
    739,095.63/1,019,954.39 = 399,566.31/x
  3. Step 3: Cross multiply
    739,095.63x = 1,019,954.39 × 399,566.31
  4. Step 4: Simplify right side
    739,095.63x = 407,539,411,980.60
  5. Step 5: Solve for x
    x = 407,539,411,980.60/739,095.63
  6. Step 6: Final answer
    x = 551,402.82

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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.