Home / 957,756.02-1,321,762.86-528,035.50

Finding the Fourth Proportional to 957,756.02, 1,321,762.86 and 528,035.50

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Solution

The fourth proportional to 957,756.02, 1,321,762.86 and 528,035.50 is: 728,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,756.02 : 1,321,762.86 = 528,035.50 : x
  2. Step 2: Convert to fraction form
    957,756.02/1,321,762.86 = 528,035.50/x
  3. Step 3: Cross multiply
    957,756.02x = 1,321,762.86 × 528,035.50
  4. Step 4: Simplify right side
    957,756.02x = 697,937,712,661.53
  5. Step 5: Solve for x
    x = 697,937,712,661.53/957,756.02
  6. Step 6: Final answer
    x = 728,721.82

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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.