Home / 662,666.98-914,426.53-372,262.77

Finding the Fourth Proportional to 662,666.98, 914,426.53 and 372,262.77

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Solution

The fourth proportional to 662,666.98, 914,426.53 and 372,262.77 is: 513,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,666.98 : 914,426.53 = 372,262.77 : x
  2. Step 2: Convert to fraction form
    662,666.98/914,426.53 = 372,262.77/x
  3. Step 3: Cross multiply
    662,666.98x = 914,426.53 × 372,262.77
  4. Step 4: Simplify right side
    662,666.98x = 340,406,953,019.29
  5. Step 5: Solve for x
    x = 340,406,953,019.29/662,666.98
  6. Step 6: Final answer
    x = 513,692.34

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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.