Home / 708,401.19-977,585.04-386,110.29

Finding the Fourth Proportional to 708,401.19, 977,585.04 and 386,110.29

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Solution

The fourth proportional to 708,401.19, 977,585.04 and 386,110.29 is: 532,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,401.19 : 977,585.04 = 386,110.29 : x
  2. Step 2: Convert to fraction form
    708,401.19/977,585.04 = 386,110.29/x
  3. Step 3: Cross multiply
    708,401.19x = 977,585.04 × 386,110.29
  4. Step 4: Simplify right side
    708,401.19x = 377,455,643,294.06
  5. Step 5: Solve for x
    x = 377,455,643,294.06/708,401.19
  6. Step 6: Final answer
    x = 532,827.51

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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.