Home / 657,541.17-986,623.77-455,448.03

Finding the Fourth Proportional to 657,541.17, 986,623.77 and 455,448.03

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Solution

The fourth proportional to 657,541.17, 986,623.77 and 455,448.03 is: 683,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,541.17 : 986,623.77 = 455,448.03 : x
  2. Step 2: Convert to fraction form
    657,541.17/986,623.77 = 455,448.03/x
  3. Step 3: Cross multiply
    657,541.17x = 986,623.77 × 455,448.03
  4. Step 4: Simplify right side
    657,541.17x = 449,355,852,397.67
  5. Step 5: Solve for x
    x = 449,355,852,397.67/657,541.17
  6. Step 6: Final answer
    x = 683,388.16

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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.