Home / 929,564.80-1,282,506.96-521,606.68

Finding the Fourth Proportional to 929,564.80, 1,282,506.96 and 521,606.68

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Solution

The fourth proportional to 929,564.80, 1,282,506.96 and 521,606.68 is: 719,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,564.80 : 1,282,506.96 = 521,606.68 : x
  2. Step 2: Convert to fraction form
    929,564.80/1,282,506.96 = 521,606.68/x
  3. Step 3: Cross multiply
    929,564.80x = 1,282,506.96 × 521,606.68
  4. Step 4: Simplify right side
    929,564.80x = 668,964,197,482.49
  5. Step 5: Solve for x
    x = 668,964,197,482.49/929,564.80
  6. Step 6: Final answer
    x = 719,653.11

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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.