Home / 935,876.28-1,291,509.22-506,156.40

Finding the Fourth Proportional to 935,876.28, 1,291,509.22 and 506,156.40

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Solution

The fourth proportional to 935,876.28, 1,291,509.22 and 506,156.40 is: 698,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,876.28 : 1,291,509.22 = 506,156.40 : x
  2. Step 2: Convert to fraction form
    935,876.28/1,291,509.22 = 506,156.40/x
  3. Step 3: Cross multiply
    935,876.28x = 1,291,509.22 × 506,156.40
  4. Step 4: Simplify right side
    935,876.28x = 653,705,657,362.01
  5. Step 5: Solve for x
    x = 653,705,657,362.01/935,876.28
  6. Step 6: Final answer
    x = 698,495.81

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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.