Home / 931,856.80-1,399,097.40-577,562.80

Finding the Fourth Proportional to 931,856.80, 1,399,097.40 and 577,562.80

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Solution

The fourth proportional to 931,856.80, 1,399,097.40 and 577,562.80 is: 867,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,856.80 : 1,399,097.40 = 577,562.80 : x
  2. Step 2: Convert to fraction form
    931,856.80/1,399,097.40 = 577,562.80/x
  3. Step 3: Cross multiply
    931,856.80x = 1,399,097.40 × 577,562.80
  4. Step 4: Simplify right side
    931,856.80x = 808,066,611,816.72
  5. Step 5: Solve for x
    x = 808,066,611,816.72/931,856.80
  6. Step 6: Final answer
    x = 867,157.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.