Home / 495,920.52-684,445.13-302,440.48

Finding the Fourth Proportional to 495,920.52, 684,445.13 and 302,440.48

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Solution

The fourth proportional to 495,920.52, 684,445.13 and 302,440.48 is: 417,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,920.52 : 684,445.13 = 302,440.48 : x
  2. Step 2: Convert to fraction form
    495,920.52/684,445.13 = 302,440.48/x
  3. Step 3: Cross multiply
    495,920.52x = 684,445.13 × 302,440.48
  4. Step 4: Simplify right side
    495,920.52x = 207,003,911,561.70
  5. Step 5: Solve for x
    x = 207,003,911,561.70/495,920.52
  6. Step 6: Final answer
    x = 417,413.48

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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.