Home / 953,331.18-1,315,607.88-523,621.32

Finding the Fourth Proportional to 953,331.18, 1,315,607.88 and 523,621.32

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Solution

The fourth proportional to 953,331.18, 1,315,607.88 and 523,621.32 is: 722,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,331.18 : 1,315,607.88 = 523,621.32 : x
  2. Step 2: Convert to fraction form
    953,331.18/1,315,607.88 = 523,621.32/x
  3. Step 3: Cross multiply
    953,331.18x = 1,315,607.88 × 523,621.32
  4. Step 4: Simplify right side
    953,331.18x = 688,880,334,728.00
  5. Step 5: Solve for x
    x = 688,880,334,728.00/953,331.18
  6. Step 6: Final answer
    x = 722,603.38

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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.