Home / 883,637.64-1,219,347.82-496,432.02

Finding the Fourth Proportional to 883,637.64, 1,219,347.82 and 496,432.02

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Solution

The fourth proportional to 883,637.64, 1,219,347.82 and 496,432.02 is: 685,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,637.64 : 1,219,347.82 = 496,432.02 : x
  2. Step 2: Convert to fraction form
    883,637.64/1,219,347.82 = 496,432.02/x
  3. Step 3: Cross multiply
    883,637.64x = 1,219,347.82 × 496,432.02
  4. Step 4: Simplify right side
    883,637.64x = 605,323,303,765.86
  5. Step 5: Solve for x
    x = 605,323,303,765.86/883,637.64
  6. Step 6: Final answer
    x = 685,035.67

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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.