Home / 916,710.48-1,265,036.27-508,811.27

Finding the Fourth Proportional to 916,710.48, 1,265,036.27 and 508,811.27

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Solution

The fourth proportional to 916,710.48, 1,265,036.27 and 508,811.27 is: 702,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,710.48 : 1,265,036.27 = 508,811.27 : x
  2. Step 2: Convert to fraction form
    916,710.48/1,265,036.27 = 508,811.27/x
  3. Step 3: Cross multiply
    916,710.48x = 1,265,036.27 × 508,811.27
  4. Step 4: Simplify right side
    916,710.48x = 643,664,702,265.53
  5. Step 5: Solve for x
    x = 643,664,702,265.53/916,710.48
  6. Step 6: Final answer
    x = 702,146.12

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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.