Home / 913,373.54-1,260,457.88-505,503.51

Finding the Fourth Proportional to 913,373.54, 1,260,457.88 and 505,503.51

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Solution

The fourth proportional to 913,373.54, 1,260,457.88 and 505,503.51 is: 697,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,373.54 : 1,260,457.88 = 505,503.51 : x
  2. Step 2: Convert to fraction form
    913,373.54/1,260,457.88 = 505,503.51/x
  3. Step 3: Cross multiply
    913,373.54x = 1,260,457.88 × 505,503.51
  4. Step 4: Simplify right side
    913,373.54x = 637,165,878,764.14
  5. Step 5: Solve for x
    x = 637,165,878,764.14/913,373.54
  6. Step 6: Final answer
    x = 697,596.17

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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.