Home / 716,742.66-1,075,112.70-491,420.00

Finding the Fourth Proportional to 716,742.66, 1,075,112.70 and 491,420.00

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Solution

The fourth proportional to 716,742.66, 1,075,112.70 and 491,420.00 is: 737,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,742.66 : 1,075,112.70 = 491,420.00 : x
  2. Step 2: Convert to fraction form
    716,742.66/1,075,112.70 = 491,420.00/x
  3. Step 3: Cross multiply
    716,742.66x = 1,075,112.70 × 491,420.00
  4. Step 4: Simplify right side
    716,742.66x = 528,331,877,831.45
  5. Step 5: Solve for x
    x = 528,331,877,831.45/716,742.66
  6. Step 6: Final answer
    x = 737,129.11

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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.