Home / 1,780,263.15-2,670,394.75-432,416.67

Finding the Fourth Proportional to 1,780,263.15, 2,670,394.75 and 432,416.67

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Solution

The fourth proportional to 1,780,263.15, 2,670,394.75 and 432,416.67 is: 648,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,263.15 : 2,670,394.75 = 432,416.67 : x
  2. Step 2: Convert to fraction form
    1,780,263.15/2,670,394.75 = 432,416.67/x
  3. Step 3: Cross multiply
    1,780,263.15x = 2,670,394.75 × 432,416.67
  4. Step 4: Simplify right side
    1,780,263.15x = 1,154,723,205,380.48
  5. Step 5: Solve for x
    x = 1,154,723,205,380.48/1,780,263.15
  6. Step 6: Final answer
    x = 648,625.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.