Home / 676,623.17-933,739.65-370,718.98

Finding the Fourth Proportional to 676,623.17, 933,739.65 and 370,718.98

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Solution

The fourth proportional to 676,623.17, 933,739.65 and 370,718.98 is: 511,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,623.17 : 933,739.65 = 370,718.98 : x
  2. Step 2: Convert to fraction form
    676,623.17/933,739.65 = 370,718.98/x
  3. Step 3: Cross multiply
    676,623.17x = 933,739.65 × 370,718.98
  4. Step 4: Simplify right side
    676,623.17x = 346,155,008,299.21
  5. Step 5: Solve for x
    x = 346,155,008,299.21/676,623.17
  6. Step 6: Final answer
    x = 511,592.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.