Home / 910,040.10-1,365,060.15-310,911.45

Finding the Fourth Proportional to 910,040.10, 1,365,060.15 and 310,911.45

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Solution

The fourth proportional to 910,040.10, 1,365,060.15 and 310,911.45 is: 466,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,040.10 : 1,365,060.15 = 310,911.45 : x
  2. Step 2: Convert to fraction form
    910,040.10/1,365,060.15 = 310,911.45/x
  3. Step 3: Cross multiply
    910,040.10x = 1,365,060.15 × 310,911.45
  4. Step 4: Simplify right side
    910,040.10x = 424,412,830,573.72
  5. Step 5: Solve for x
    x = 424,412,830,573.72/910,040.10
  6. Step 6: Final answer
    x = 466,367.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.