Home / 916,173.65-1,264,353.42-553,527.44

Finding the Fourth Proportional to 916,173.65, 1,264,353.42 and 553,527.44

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Solution

The fourth proportional to 916,173.65, 1,264,353.42 and 553,527.44 is: 763,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,173.65 : 1,264,353.42 = 553,527.44 : x
  2. Step 2: Convert to fraction form
    916,173.65/1,264,353.42 = 553,527.44/x
  3. Step 3: Cross multiply
    916,173.65x = 1,264,353.42 × 553,527.44
  4. Step 4: Simplify right side
    916,173.65x = 699,854,311,827.85
  5. Step 5: Solve for x
    x = 699,854,311,827.85/916,173.65
  6. Step 6: Final answer
    x = 763,888.28

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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.