Home / 708,023.83-977,069.95-385,732.93

Finding the Fourth Proportional to 708,023.83, 977,069.95 and 385,732.93

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Solution

The fourth proportional to 708,023.83, 977,069.95 and 385,732.93 is: 532,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,023.83 : 977,069.95 = 385,732.93 : x
  2. Step 2: Convert to fraction form
    708,023.83/977,069.95 = 385,732.93/x
  3. Step 3: Cross multiply
    708,023.83x = 977,069.95 × 385,732.93
  4. Step 4: Simplify right side
    708,023.83x = 376,888,054,628.45
  5. Step 5: Solve for x
    x = 376,888,054,628.45/708,023.83
  6. Step 6: Final answer
    x = 532,309.84

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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.