Home / 920,709.27-1,270,613.12-507,262.86

Finding the Fourth Proportional to 920,709.27, 1,270,613.12 and 507,262.86

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Solution

The fourth proportional to 920,709.27, 1,270,613.12 and 507,262.86 is: 700,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,709.27 : 1,270,613.12 = 507,262.86 : x
  2. Step 2: Convert to fraction form
    920,709.27/1,270,613.12 = 507,262.86/x
  3. Step 3: Cross multiply
    920,709.27x = 1,270,613.12 × 507,262.86
  4. Step 4: Simplify right side
    920,709.27x = 644,534,842,668.41
  5. Step 5: Solve for x
    x = 644,534,842,668.41/920,709.27
  6. Step 6: Final answer
    x = 700,041.66

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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.