Home / 918,666.93-1,267,727.21-505,200.23

Finding the Fourth Proportional to 918,666.93, 1,267,727.21 and 505,200.23

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Solution

The fourth proportional to 918,666.93, 1,267,727.21 and 505,200.23 is: 697,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,666.93 : 1,267,727.21 = 505,200.23 : x
  2. Step 2: Convert to fraction form
    918,666.93/1,267,727.21 = 505,200.23/x
  3. Step 3: Cross multiply
    918,666.93x = 1,267,727.21 × 505,200.23
  4. Step 4: Simplify right side
    918,666.93x = 640,456,069,204.62
  5. Step 5: Solve for x
    x = 640,456,069,204.62/918,666.93
  6. Step 6: Final answer
    x = 697,158.08

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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.