Home / 935,881.16-1,291,515.96-506,161.28

Finding the Fourth Proportional to 935,881.16, 1,291,515.96 and 506,161.28

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Solution

The fourth proportional to 935,881.16, 1,291,515.96 and 506,161.28 is: 698,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,881.16 : 1,291,515.96 = 506,161.28 : x
  2. Step 2: Convert to fraction form
    935,881.16/1,291,515.96 = 506,161.28/x
  3. Step 3: Cross multiply
    935,881.16x = 1,291,515.96 × 506,161.28
  4. Step 4: Simplify right side
    935,881.16x = 653,715,371,454.03
  5. Step 5: Solve for x
    x = 653,715,371,454.03/935,881.16
  6. Step 6: Final answer
    x = 698,502.54

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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.