Home / 778,005.16-1,073,666.10-433,837.73

Finding the Fourth Proportional to 778,005.16, 1,073,666.10 and 433,837.73

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Solution

The fourth proportional to 778,005.16, 1,073,666.10 and 433,837.73 is: 598,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,005.16 : 1,073,666.10 = 433,837.73 : x
  2. Step 2: Convert to fraction form
    778,005.16/1,073,666.10 = 433,837.73/x
  3. Step 3: Cross multiply
    778,005.16x = 1,073,666.10 × 433,837.73
  4. Step 4: Simplify right side
    778,005.16x = 465,796,863,601.95
  5. Step 5: Solve for x
    x = 465,796,863,601.95/778,005.16
  6. Step 6: Final answer
    x = 598,706.65

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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.