Home / 673,411.95-1,010,472.61-389,302.02

Finding the Fourth Proportional to 673,411.95, 1,010,472.61 and 389,302.02

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Solution

The fourth proportional to 673,411.95, 1,010,472.61 and 389,302.02 is: 584,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,411.95 : 1,010,472.61 = 389,302.02 : x
  2. Step 2: Convert to fraction form
    673,411.95/1,010,472.61 = 389,302.02/x
  3. Step 3: Cross multiply
    673,411.95x = 1,010,472.61 × 389,302.02
  4. Step 4: Simplify right side
    673,411.95x = 393,379,032,742.42
  5. Step 5: Solve for x
    x = 393,379,032,742.42/673,411.95
  6. Step 6: Final answer
    x = 584,158.08

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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.