Home / 536,458.03-740,312.96-291,443.75

Finding the Fourth Proportional to 536,458.03, 740,312.96 and 291,443.75

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Solution

The fourth proportional to 536,458.03, 740,312.96 and 291,443.75 is: 402,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,458.03 : 740,312.96 = 291,443.75 : x
  2. Step 2: Convert to fraction form
    536,458.03/740,312.96 = 291,443.75/x
  3. Step 3: Cross multiply
    536,458.03x = 740,312.96 × 291,443.75
  4. Step 4: Simplify right side
    536,458.03x = 215,759,585,768.84
  5. Step 5: Solve for x
    x = 215,759,585,768.84/536,458.03
  6. Step 6: Final answer
    x = 402,192.85

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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.