Home / 527,066.40-790,657.20-510,477.60

Finding the Fourth Proportional to 527,066.40, 790,657.20 and 510,477.60

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Solution

The fourth proportional to 527,066.40, 790,657.20 and 510,477.60 is: 765,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,066.40 : 790,657.20 = 510,477.60 : x
  2. Step 2: Convert to fraction form
    527,066.40/790,657.20 = 510,477.60/x
  3. Step 3: Cross multiply
    527,066.40x = 790,657.20 × 510,477.60
  4. Step 4: Simplify right side
    527,066.40x = 403,612,789,878.72
  5. Step 5: Solve for x
    x = 403,612,789,878.72/527,066.40
  6. Step 6: Final answer
    x = 765,772.19

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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.