Home / 956,977.23-1,320,616.44-521,412.71

Finding the Fourth Proportional to 956,977.23, 1,320,616.44 and 521,412.71

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Solution

The fourth proportional to 956,977.23, 1,320,616.44 and 521,412.71 is: 719,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,977.23 : 1,320,616.44 = 521,412.71 : x
  2. Step 2: Convert to fraction form
    956,977.23/1,320,616.44 = 521,412.71/x
  3. Step 3: Cross multiply
    956,977.23x = 1,320,616.44 × 521,412.71
  4. Step 4: Simplify right side
    956,977.23x = 688,586,200,152.49
  5. Step 5: Solve for x
    x = 688,586,200,152.49/956,977.23
  6. Step 6: Final answer
    x = 719,542.93

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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.