Home / 883,647.95-1,219,222.46-521,043.35

Finding the Fourth Proportional to 883,647.95, 1,219,222.46 and 521,043.35

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Solution

The fourth proportional to 883,647.95, 1,219,222.46 and 521,043.35 is: 718,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,647.95 : 1,219,222.46 = 521,043.35 : x
  2. Step 2: Convert to fraction form
    883,647.95/1,219,222.46 = 521,043.35/x
  3. Step 3: Cross multiply
    883,647.95x = 1,219,222.46 × 521,043.35
  4. Step 4: Simplify right side
    883,647.95x = 635,267,750,160.14
  5. Step 5: Solve for x
    x = 635,267,750,160.14/883,647.95
  6. Step 6: Final answer
    x = 718,914.99

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1.5x scale

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.