Home / 926,416.80-1,388,588.40-527,248.80

Finding the Fourth Proportional to 926,416.80, 1,388,588.40 and 527,248.80

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Solution

The fourth proportional to 926,416.80, 1,388,588.40 and 527,248.80 is: 790,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,416.80 : 1,388,588.40 = 527,248.80 : x
  2. Step 2: Convert to fraction form
    926,416.80/1,388,588.40 = 527,248.80/x
  3. Step 3: Cross multiply
    926,416.80x = 1,388,588.40 × 527,248.80
  4. Step 4: Simplify right side
    926,416.80x = 732,131,567,593.92
  5. Step 5: Solve for x
    x = 732,131,567,593.92/926,416.80
  6. Step 6: Final answer
    x = 790,283.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.