Home / 727,482.47-1,089,360.52-607,240.49

Finding the Fourth Proportional to 727,482.47, 1,089,360.52 and 607,240.49

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Solution

The fourth proportional to 727,482.47, 1,089,360.52 and 607,240.49 is: 909,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,482.47 : 1,089,360.52 = 607,240.49 : x
  2. Step 2: Convert to fraction form
    727,482.47/1,089,360.52 = 607,240.49/x
  3. Step 3: Cross multiply
    727,482.47x = 1,089,360.52 × 607,240.49
  4. Step 4: Simplify right side
    727,482.47x = 661,503,808,986.55
  5. Step 5: Solve for x
    x = 661,503,808,986.55/727,482.47
  6. Step 6: Final answer
    x = 909,305.50

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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.