Home / 751,450.85-1,037,158.65-690,925.62

Finding the Fourth Proportional to 751,450.85, 1,037,158.65 and 690,925.62

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Solution

The fourth proportional to 751,450.85, 1,037,158.65 and 690,925.62 is: 953,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,450.85 : 1,037,158.65 = 690,925.62 : x
  2. Step 2: Convert to fraction form
    751,450.85/1,037,158.65 = 690,925.62/x
  3. Step 3: Cross multiply
    751,450.85x = 1,037,158.65 × 690,925.62
  4. Step 4: Simplify right side
    751,450.85x = 716,599,483,289.61
  5. Step 5: Solve for x
    x = 716,599,483,289.61/751,450.85
  6. Step 6: Final answer
    x = 953,621.24

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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.