Home / 819,545.72-1,227,000.35-434,417.04

Finding the Fourth Proportional to 819,545.72, 1,227,000.35 and 434,417.04

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Solution

The fourth proportional to 819,545.72, 1,227,000.35 and 434,417.04 is: 650,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,545.72 : 1,227,000.35 = 434,417.04 : x
  2. Step 2: Convert to fraction form
    819,545.72/1,227,000.35 = 434,417.04/x
  3. Step 3: Cross multiply
    819,545.72x = 1,227,000.35 × 434,417.04
  4. Step 4: Simplify right side
    819,545.72x = 533,029,857,953.88
  5. Step 5: Solve for x
    x = 533,029,857,953.88/819,545.72
  6. Step 6: Final answer
    x = 650,396.74

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1.5x scale

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.