Home / 943,457.13-1,301,971.23-513,737.10

Finding the Fourth Proportional to 943,457.13, 1,301,971.23 and 513,737.10

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Solution

The fourth proportional to 943,457.13, 1,301,971.23 and 513,737.10 is: 708,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,457.13 : 1,301,971.23 = 513,737.10 : x
  2. Step 2: Convert to fraction form
    943,457.13/1,301,971.23 = 513,737.10/x
  3. Step 3: Cross multiply
    943,457.13x = 1,301,971.23 × 513,737.10
  4. Step 4: Simplify right side
    943,457.13x = 668,870,923,983.63
  5. Step 5: Solve for x
    x = 668,870,923,983.63/943,457.13
  6. Step 6: Final answer
    x = 708,957.41

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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.