Home / 1,132,543.95-1,562,978.07-649,140.41

Finding the Fourth Proportional to 1,132,543.95, 1,562,978.07 and 649,140.41

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Solution

The fourth proportional to 1,132,543.95, 1,562,978.07 and 649,140.41 is: 895,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,543.95 : 1,562,978.07 = 649,140.41 : x
  2. Step 2: Convert to fraction form
    1,132,543.95/1,562,978.07 = 649,140.41/x
  3. Step 3: Cross multiply
    1,132,543.95x = 1,562,978.07 × 649,140.41
  4. Step 4: Simplify right side
    1,132,543.95x = 1,014,592,217,365.92
  5. Step 5: Solve for x
    x = 1,014,592,217,365.92/1,132,543.95
  6. Step 6: Final answer
    x = 895,852.40

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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.