Home / 953,205.89-1,315,422.55-523,486.00

Finding the Fourth Proportional to 953,205.89, 1,315,422.55 and 523,486.00

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Solution

The fourth proportional to 953,205.89, 1,315,422.55 and 523,486.00 is: 722,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,205.89 : 1,315,422.55 = 523,486.00 : x
  2. Step 2: Convert to fraction form
    953,205.89/1,315,422.55 = 523,486.00/x
  3. Step 3: Cross multiply
    953,205.89x = 1,315,422.55 × 523,486.00
  4. Step 4: Simplify right side
    953,205.89x = 688,605,291,307.94
  5. Step 5: Solve for x
    x = 688,605,291,307.94/953,205.89
  6. Step 6: Final answer
    x = 722,409.82

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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.