Home / 783,737.51-1,081,543.65-439,574.10

Finding the Fourth Proportional to 783,737.51, 1,081,543.65 and 439,574.10

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Solution

The fourth proportional to 783,737.51, 1,081,543.65 and 439,574.10 is: 606,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,737.51 : 1,081,543.65 = 439,574.10 : x
  2. Step 2: Convert to fraction form
    783,737.51/1,081,543.65 = 439,574.10/x
  3. Step 3: Cross multiply
    783,737.51x = 1,081,543.65 × 439,574.10
  4. Step 4: Simplify right side
    783,737.51x = 475,418,570,855.27
  5. Step 5: Solve for x
    x = 475,418,570,855.27/783,737.51
  6. Step 6: Final answer
    x = 606,604.34

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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.