Home / 917,081.16-1,263,490.16-709,636.24

Finding the Fourth Proportional to 917,081.16, 1,263,490.16 and 709,636.24

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Solution

The fourth proportional to 917,081.16, 1,263,490.16 and 709,636.24 is: 977,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,081.16 : 1,263,490.16 = 709,636.24 : x
  2. Step 2: Convert to fraction form
    917,081.16/1,263,490.16 = 709,636.24/x
  3. Step 3: Cross multiply
    917,081.16x = 1,263,490.16 × 709,636.24
  4. Step 4: Simplify right side
    917,081.16x = 896,618,406,419.40
  5. Step 5: Solve for x
    x = 896,618,406,419.40/917,081.16
  6. Step 6: Final answer
    x = 977,687.09

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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.