Home / 926,131.51-1,389,446.63-476,607.43

Finding the Fourth Proportional to 926,131.51, 1,389,446.63 and 476,607.43

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Solution

The fourth proportional to 926,131.51, 1,389,446.63 and 476,607.43 is: 715,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,131.51 : 1,389,446.63 = 476,607.43 : x
  2. Step 2: Convert to fraction form
    926,131.51/1,389,446.63 = 476,607.43/x
  3. Step 3: Cross multiply
    926,131.51x = 1,389,446.63 × 476,607.43
  4. Step 4: Simplify right side
    926,131.51x = 662,220,578,116.19
  5. Step 5: Solve for x
    x = 662,220,578,116.19/926,131.51
  6. Step 6: Final answer
    x = 715,039.47

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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.