Home / 696,583.45-961,390.24-424,809.00

Finding the Fourth Proportional to 696,583.45, 961,390.24 and 424,809.00

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Solution

The fourth proportional to 696,583.45, 961,390.24 and 424,809.00 is: 586,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,583.45 : 961,390.24 = 424,809.00 : x
  2. Step 2: Convert to fraction form
    696,583.45/961,390.24 = 424,809.00/x
  3. Step 3: Cross multiply
    696,583.45x = 961,390.24 × 424,809.00
  4. Step 4: Simplify right side
    696,583.45x = 408,407,221,936.64
  5. Step 5: Solve for x
    x = 408,407,221,936.64/696,583.45
  6. Step 6: Final answer
    x = 586,300.50

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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.