Home / 917,073.08-1,263,479.06-709,628.22

Finding the Fourth Proportional to 917,073.08, 1,263,479.06 and 709,628.22

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Solution

The fourth proportional to 917,073.08, 1,263,479.06 and 709,628.22 is: 977,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,073.08 : 1,263,479.06 = 709,628.22 : x
  2. Step 2: Convert to fraction form
    917,073.08/1,263,479.06 = 709,628.22/x
  3. Step 3: Cross multiply
    917,073.08x = 1,263,479.06 × 709,628.22
  4. Step 4: Simplify right side
    917,073.08x = 896,600,398,129.14
  5. Step 5: Solve for x
    x = 896,600,398,129.14/917,073.08
  6. Step 6: Final answer
    x = 977,676.07

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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.