Home / 695,733.04-960,113.76-405,516.34

Finding the Fourth Proportional to 695,733.04, 960,113.76 and 405,516.34

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Solution

The fourth proportional to 695,733.04, 960,113.76 and 405,516.34 is: 559,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,733.04 : 960,113.76 = 405,516.34 : x
  2. Step 2: Convert to fraction form
    695,733.04/960,113.76 = 405,516.34/x
  3. Step 3: Cross multiply
    695,733.04x = 960,113.76 × 405,516.34
  4. Step 4: Simplify right side
    695,733.04x = 389,341,817,938.84
  5. Step 5: Solve for x
    x = 389,341,817,938.84/695,733.04
  6. Step 6: Final answer
    x = 559,613.81

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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.