Home / 529,557.55-731,141.33-406,831.36

Finding the Fourth Proportional to 529,557.55, 731,141.33 and 406,831.36

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Solution

The fourth proportional to 529,557.55, 731,141.33 and 406,831.36 is: 561,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,557.55 : 731,141.33 = 406,831.36 : x
  2. Step 2: Convert to fraction form
    529,557.55/731,141.33 = 406,831.36/x
  3. Step 3: Cross multiply
    529,557.55x = 731,141.33 × 406,831.36
  4. Step 4: Simplify right side
    529,557.55x = 297,451,222,653.19
  5. Step 5: Solve for x
    x = 297,451,222,653.19/529,557.55
  6. Step 6: Final answer
    x = 561,697.64

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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.