Home / 708,467.40-977,669.46-386,165.16

Finding the Fourth Proportional to 708,467.40, 977,669.46 and 386,165.16

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Solution

The fourth proportional to 708,467.40, 977,669.46 and 386,165.16 is: 532,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,467.40 : 977,669.46 = 386,165.16 : x
  2. Step 2: Convert to fraction form
    708,467.40/977,669.46 = 386,165.16/x
  3. Step 3: Cross multiply
    708,467.40x = 977,669.46 × 386,165.16
  4. Step 4: Simplify right side
    708,467.40x = 377,541,883,448.01
  5. Step 5: Solve for x
    x = 377,541,883,448.01/708,467.40
  6. Step 6: Final answer
    x = 532,899.44

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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.