Home / 717,401.86-989,941.32-441,715.93

Finding the Fourth Proportional to 717,401.86, 989,941.32 and 441,715.93

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Solution

The fourth proportional to 717,401.86, 989,941.32 and 441,715.93 is: 609,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,401.86 : 989,941.32 = 441,715.93 : x
  2. Step 2: Convert to fraction form
    717,401.86/989,941.32 = 441,715.93/x
  3. Step 3: Cross multiply
    717,401.86x = 989,941.32 × 441,715.93
  4. Step 4: Simplify right side
    717,401.86x = 437,272,850,809.23
  5. Step 5: Solve for x
    x = 437,272,850,809.23/717,401.86
  6. Step 6: Final answer
    x = 609,522.88

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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.