Home / 708,473.86-977,674.45-386,190.25

Finding the Fourth Proportional to 708,473.86, 977,674.45 and 386,190.25

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Solution

The fourth proportional to 708,473.86, 977,674.45 and 386,190.25 is: 532,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,473.86 : 977,674.45 = 386,190.25 : x
  2. Step 2: Convert to fraction form
    708,473.86/977,674.45 = 386,190.25/x
  3. Step 3: Cross multiply
    708,473.86x = 977,674.45 × 386,190.25
  4. Step 4: Simplify right side
    708,473.86x = 377,568,340,264.11
  5. Step 5: Solve for x
    x = 377,568,340,264.11/708,473.86
  6. Step 6: Final answer
    x = 532,931.93

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Double scale
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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.