Home / 993,097.50-1,370,474.55-540,391.74

Finding the Fourth Proportional to 993,097.50, 1,370,474.55 and 540,391.74

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Solution

The fourth proportional to 993,097.50, 1,370,474.55 and 540,391.74 is: 745,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,097.50 : 1,370,474.55 = 540,391.74 : x
  2. Step 2: Convert to fraction form
    993,097.50/1,370,474.55 = 540,391.74/x
  3. Step 3: Cross multiply
    993,097.50x = 1,370,474.55 × 540,391.74
  4. Step 4: Simplify right side
    993,097.50x = 740,593,126,700.22
  5. Step 5: Solve for x
    x = 740,593,126,700.22/993,097.50
  6. Step 6: Final answer
    x = 745,740.60

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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.