Home / 924,658.96-1,387,389.12-326,047.72

Finding the Fourth Proportional to 924,658.96, 1,387,389.12 and 326,047.72

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Solution

The fourth proportional to 924,658.96, 1,387,389.12 and 326,047.72 is: 489,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,658.96 : 1,387,389.12 = 326,047.72 : x
  2. Step 2: Convert to fraction form
    924,658.96/1,387,389.12 = 326,047.72/x
  3. Step 3: Cross multiply
    924,658.96x = 1,387,389.12 × 326,047.72
  4. Step 4: Simplify right side
    924,658.96x = 452,355,059,328.81
  5. Step 5: Solve for x
    x = 452,355,059,328.81/924,658.96
  6. Step 6: Final answer
    x = 489,212.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.