Home / 931,862.80-1,399,106.40-577,568.80

Finding the Fourth Proportional to 931,862.80, 1,399,106.40 and 577,568.80

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Solution

The fourth proportional to 931,862.80, 1,399,106.40 and 577,568.80 is: 867,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,862.80 : 1,399,106.40 = 577,568.80 : x
  2. Step 2: Convert to fraction form
    931,862.80/1,399,106.40 = 577,568.80/x
  3. Step 3: Cross multiply
    931,862.80x = 1,399,106.40 × 577,568.80
  4. Step 4: Simplify right side
    931,862.80x = 808,080,204,520.32
  5. Step 5: Solve for x
    x = 808,080,204,520.32/931,862.80
  6. Step 6: Final answer
    x = 867,166.50

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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.