Home / 684,440.66-944,534.04-382,634.66

Finding the Fourth Proportional to 684,440.66, 944,534.04 and 382,634.66

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Solution

The fourth proportional to 684,440.66, 944,534.04 and 382,634.66 is: 528,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,440.66 : 944,534.04 = 382,634.66 : x
  2. Step 2: Convert to fraction form
    684,440.66/944,534.04 = 382,634.66/x
  3. Step 3: Cross multiply
    684,440.66x = 944,534.04 × 382,634.66
  4. Step 4: Simplify right side
    684,440.66x = 361,411,461,253.83
  5. Step 5: Solve for x
    x = 361,411,461,253.83/684,440.66
  6. Step 6: Final answer
    x = 528,039.15

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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.