Home / 711,599.38-982,050.70-409,890.58

Finding the Fourth Proportional to 711,599.38, 982,050.70 and 409,890.58

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Solution

The fourth proportional to 711,599.38, 982,050.70 and 409,890.58 is: 565,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,599.38 : 982,050.70 = 409,890.58 : x
  2. Step 2: Convert to fraction form
    711,599.38/982,050.70 = 409,890.58/x
  3. Step 3: Cross multiply
    711,599.38x = 982,050.70 × 409,890.58
  4. Step 4: Simplify right side
    711,599.38x = 402,533,331,012.41
  5. Step 5: Solve for x
    x = 402,533,331,012.41/711,599.38
  6. Step 6: Final answer
    x = 565,674.09

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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.