Home / 917,928.48-1,266,737.22-510,096.72

Finding the Fourth Proportional to 917,928.48, 1,266,737.22 and 510,096.72

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Solution

The fourth proportional to 917,928.48, 1,266,737.22 and 510,096.72 is: 703,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,928.48 : 1,266,737.22 = 510,096.72 : x
  2. Step 2: Convert to fraction form
    917,928.48/1,266,737.22 = 510,096.72/x
  3. Step 3: Cross multiply
    917,928.48x = 1,266,737.22 × 510,096.72
  4. Step 4: Simplify right side
    917,928.48x = 646,158,501,023.92
  5. Step 5: Solve for x
    x = 646,158,501,023.92/917,928.48
  6. Step 6: Final answer
    x = 703,931.20

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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.