Home / 946,977.60-1,306,860.48-517,297.80

Finding the Fourth Proportional to 946,977.60, 1,306,860.48 and 517,297.80

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Solution

The fourth proportional to 946,977.60, 1,306,860.48 and 517,297.80 is: 713,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,977.60 : 1,306,860.48 = 517,297.80 : x
  2. Step 2: Convert to fraction form
    946,977.60/1,306,860.48 = 517,297.80/x
  3. Step 3: Cross multiply
    946,977.60x = 1,306,860.48 × 517,297.80
  4. Step 4: Simplify right side
    946,977.60x = 676,036,051,210.94
  5. Step 5: Solve for x
    x = 676,036,051,210.94/946,977.60
  6. Step 6: Final answer
    x = 713,888.11

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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.