Home / 931,858.80-1,399,100.40-577,564.80

Finding the Fourth Proportional to 931,858.80, 1,399,100.40 and 577,564.80

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Solution

The fourth proportional to 931,858.80, 1,399,100.40 and 577,564.80 is: 867,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,858.80 : 1,399,100.40 = 577,564.80 : x
  2. Step 2: Convert to fraction form
    931,858.80/1,399,100.40 = 577,564.80/x
  3. Step 3: Cross multiply
    931,858.80x = 1,399,100.40 × 577,564.80
  4. Step 4: Simplify right side
    931,858.80x = 808,071,142,705.92
  5. Step 5: Solve for x
    x = 808,071,142,705.92/931,858.80
  6. Step 6: Final answer
    x = 867,160.50

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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.