Home / 946,803.65-1,306,590.50-538,905.48

Finding the Fourth Proportional to 946,803.65, 1,306,590.50 and 538,905.48

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Solution

The fourth proportional to 946,803.65, 1,306,590.50 and 538,905.48 is: 743,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,803.65 : 1,306,590.50 = 538,905.48 : x
  2. Step 2: Convert to fraction form
    946,803.65/1,306,590.50 = 538,905.48/x
  3. Step 3: Cross multiply
    946,803.65x = 1,306,590.50 × 538,905.48
  4. Step 4: Simplify right side
    946,803.65x = 704,128,777,871.41
  5. Step 5: Solve for x
    x = 704,128,777,871.41/946,803.65
  6. Step 6: Final answer
    x = 743,690.39

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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.