Home / 936,494.28-1,292,360.58-528,681.96

Finding the Fourth Proportional to 936,494.28, 1,292,360.58 and 528,681.96

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Solution

The fourth proportional to 936,494.28, 1,292,360.58 and 528,681.96 is: 729,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,494.28 : 1,292,360.58 = 528,681.96 : x
  2. Step 2: Convert to fraction form
    936,494.28/1,292,360.58 = 528,681.96/x
  3. Step 3: Cross multiply
    936,494.28x = 1,292,360.58 × 528,681.96
  4. Step 4: Simplify right side
    936,494.28x = 683,247,724,461.14
  5. Step 5: Solve for x
    x = 683,247,724,461.14/936,494.28
  6. Step 6: Final answer
    x = 729,580.24

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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.