Home / 628,965.16-868,821.06-502,527.40

Finding the Fourth Proportional to 628,965.16, 868,821.06 and 502,527.40

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Solution

The fourth proportional to 628,965.16, 868,821.06 and 502,527.40 is: 694,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,965.16 : 868,821.06 = 502,527.40 : x
  2. Step 2: Convert to fraction form
    628,965.16/868,821.06 = 502,527.40/x
  3. Step 3: Cross multiply
    628,965.16x = 868,821.06 × 502,527.40
  4. Step 4: Simplify right side
    628,965.16x = 436,606,388,347.04
  5. Step 5: Solve for x
    x = 436,606,388,347.04/628,965.16
  6. Step 6: Final answer
    x = 694,166.25

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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.