Home / 692,066.10-1,036,981.35-391,653.30

Finding the Fourth Proportional to 692,066.10, 1,036,981.35 and 391,653.30

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Solution

The fourth proportional to 692,066.10, 1,036,981.35 and 391,653.30 is: 586,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,066.10 : 1,036,981.35 = 391,653.30 : x
  2. Step 2: Convert to fraction form
    692,066.10/1,036,981.35 = 391,653.30/x
  3. Step 3: Cross multiply
    692,066.10x = 1,036,981.35 × 391,653.30
  4. Step 4: Simplify right side
    692,066.10x = 406,137,167,765.96
  5. Step 5: Solve for x
    x = 406,137,167,765.96/692,066.10
  6. Step 6: Final answer
    x = 586,847.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.