Home / 495,695.04-684,275.22-314,685.24

Finding the Fourth Proportional to 495,695.04, 684,275.22 and 314,685.24

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Solution

The fourth proportional to 495,695.04, 684,275.22 and 314,685.24 is: 434,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,695.04 : 684,275.22 = 314,685.24 : x
  2. Step 2: Convert to fraction form
    495,695.04/684,275.22 = 314,685.24/x
  3. Step 3: Cross multiply
    495,695.04x = 684,275.22 × 314,685.24
  4. Step 4: Simplify right side
    495,695.04x = 215,331,311,831.75
  5. Step 5: Solve for x
    x = 215,331,311,831.75/495,695.04
  6. Step 6: Final answer
    x = 434,402.80

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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.