Home / 677,457.14-934,120.15-554,558.67

Finding the Fourth Proportional to 677,457.14, 934,120.15 and 554,558.67

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Solution

The fourth proportional to 677,457.14, 934,120.15 and 554,558.67 is: 764,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,457.14 : 934,120.15 = 554,558.67 : x
  2. Step 2: Convert to fraction form
    677,457.14/934,120.15 = 554,558.67/x
  3. Step 3: Cross multiply
    677,457.14x = 934,120.15 × 554,558.67
  4. Step 4: Simplify right side
    677,457.14x = 518,024,426,617.80
  5. Step 5: Solve for x
    x = 518,024,426,617.80/677,457.14
  6. Step 6: Final answer
    x = 764,660.08

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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.