Home / 972,399.35-1,341,781.36-564,496.51

Finding the Fourth Proportional to 972,399.35, 1,341,781.36 and 564,496.51

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Solution

The fourth proportional to 972,399.35, 1,341,781.36 and 564,496.51 is: 778,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,399.35 : 1,341,781.36 = 564,496.51 : x
  2. Step 2: Convert to fraction form
    972,399.35/1,341,781.36 = 564,496.51/x
  3. Step 3: Cross multiply
    972,399.35x = 1,341,781.36 × 564,496.51
  4. Step 4: Simplify right side
    972,399.35x = 757,430,894,903.05
  5. Step 5: Solve for x
    x = 757,430,894,903.05/972,399.35
  6. Step 6: Final answer
    x = 778,929.87

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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.