Home / 832,518.72-1,148,872.32-450,545.92

Finding the Fourth Proportional to 832,518.72, 1,148,872.32 and 450,545.92

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Solution

The fourth proportional to 832,518.72, 1,148,872.32 and 450,545.92 is: 621,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,518.72 : 1,148,872.32 = 450,545.92 : x
  2. Step 2: Convert to fraction form
    832,518.72/1,148,872.32 = 450,545.92/x
  3. Step 3: Cross multiply
    832,518.72x = 1,148,872.32 × 450,545.92
  4. Step 4: Simplify right side
    832,518.72x = 517,619,736,376.93
  5. Step 5: Solve for x
    x = 517,619,736,376.93/832,518.72
  6. Step 6: Final answer
    x = 621,751.47

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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.