Home / 963,531.29-1,445,184.32-387,131.22

Finding the Fourth Proportional to 963,531.29, 1,445,184.32 and 387,131.22

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Solution

The fourth proportional to 963,531.29, 1,445,184.32 and 387,131.22 is: 580,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,531.29 : 1,445,184.32 = 387,131.22 : x
  2. Step 2: Convert to fraction form
    963,531.29/1,445,184.32 = 387,131.22/x
  3. Step 3: Cross multiply
    963,531.29x = 1,445,184.32 × 387,131.22
  4. Step 4: Simplify right side
    963,531.29x = 559,475,966,990.81
  5. Step 5: Solve for x
    x = 559,475,966,990.81/963,531.29
  6. Step 6: Final answer
    x = 580,651.58

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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.