Home / 988,225.96-1,363,751.70-535,516.96

Finding the Fourth Proportional to 988,225.96, 1,363,751.70 and 535,516.96

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Solution

The fourth proportional to 988,225.96, 1,363,751.70 and 535,516.96 is: 739,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,225.96 : 1,363,751.70 = 535,516.96 : x
  2. Step 2: Convert to fraction form
    988,225.96/1,363,751.70 = 535,516.96/x
  3. Step 3: Cross multiply
    988,225.96x = 1,363,751.70 × 535,516.96
  4. Step 4: Simplify right side
    988,225.96x = 730,312,164,578.83
  5. Step 5: Solve for x
    x = 730,312,164,578.83/988,225.96
  6. Step 6: Final answer
    x = 739,013.34

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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.