Home / 585,983.80-879,558.90-286,802.20

Finding the Fourth Proportional to 585,983.80, 879,558.90 and 286,802.20

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Solution

The fourth proportional to 585,983.80, 879,558.90 and 286,802.20 is: 430,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,983.80 : 879,558.90 = 286,802.20 : x
  2. Step 2: Convert to fraction form
    585,983.80/879,558.90 = 286,802.20/x
  3. Step 3: Cross multiply
    585,983.80x = 879,558.90 × 286,802.20
  4. Step 4: Simplify right side
    585,983.80x = 252,259,427,549.58
  5. Step 5: Solve for x
    x = 252,259,427,549.58/585,983.80
  6. Step 6: Final answer
    x = 430,488.74

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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.