Home / 495,923.15-684,448.76-302,443.11

Finding the Fourth Proportional to 495,923.15, 684,448.76 and 302,443.11

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Solution

The fourth proportional to 495,923.15, 684,448.76 and 302,443.11 is: 417,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,923.15 : 684,448.76 = 302,443.11 : x
  2. Step 2: Convert to fraction form
    495,923.15/684,448.76 = 302,443.11/x
  3. Step 3: Cross multiply
    495,923.15x = 684,448.76 × 302,443.11
  4. Step 4: Simplify right side
    495,923.15x = 207,006,810,097.83
  5. Step 5: Solve for x
    x = 207,006,810,097.83/495,923.15
  6. Step 6: Final answer
    x = 417,417.12

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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.