Home / 692,165.60-1,036,174.80-411,538.40

Finding the Fourth Proportional to 692,165.60, 1,036,174.80 and 411,538.40

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Solution

The fourth proportional to 692,165.60, 1,036,174.80 and 411,538.40 is: 616,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,165.60 : 1,036,174.80 = 411,538.40 : x
  2. Step 2: Convert to fraction form
    692,165.60/1,036,174.80 = 411,538.40/x
  3. Step 3: Cross multiply
    692,165.60x = 1,036,174.80 × 411,538.40
  4. Step 4: Simplify right side
    692,165.60x = 426,425,719,312.32
  5. Step 5: Solve for x
    x = 426,425,719,312.32/692,165.60
  6. Step 6: Final answer
    x = 616,074.71

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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.