Home / 651,838.80-977,758.20-615,097.20

Finding the Fourth Proportional to 651,838.80, 977,758.20 and 615,097.20

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Solution

The fourth proportional to 651,838.80, 977,758.20 and 615,097.20 is: 922,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,838.80 : 977,758.20 = 615,097.20 : x
  2. Step 2: Convert to fraction form
    651,838.80/977,758.20 = 615,097.20/x
  3. Step 3: Cross multiply
    651,838.80x = 977,758.20 × 615,097.20
  4. Step 4: Simplify right side
    651,838.80x = 601,416,331,097.04
  5. Step 5: Solve for x
    x = 601,416,331,097.04/651,838.80
  6. Step 6: Final answer
    x = 922,645.80

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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.