Home / 988,225.76-1,363,753.32-535,516.76

Finding the Fourth Proportional to 988,225.76, 1,363,753.32 and 535,516.76

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Solution

The fourth proportional to 988,225.76, 1,363,753.32 and 535,516.76 is: 739,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,225.76 : 1,363,753.32 = 535,516.76 : x
  2. Step 2: Convert to fraction form
    988,225.76/1,363,753.32 = 535,516.76/x
  3. Step 3: Cross multiply
    988,225.76x = 1,363,753.32 × 535,516.76
  4. Step 4: Simplify right side
    988,225.76x = 730,312,759,365.64
  5. Step 5: Solve for x
    x = 730,312,759,365.64/988,225.76
  6. Step 6: Final answer
    x = 739,014.09

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1.5x scale

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.