Home / 676,566.08-933,661.28-370,653.36

Finding the Fourth Proportional to 676,566.08, 933,661.28 and 370,653.36

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Solution

The fourth proportional to 676,566.08, 933,661.28 and 370,653.36 is: 511,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,566.08 : 933,661.28 = 370,653.36 : x
  2. Step 2: Convert to fraction form
    676,566.08/933,661.28 = 370,653.36/x
  3. Step 3: Cross multiply
    676,566.08x = 933,661.28 × 370,653.36
  4. Step 4: Simplify right side
    676,566.08x = 346,064,690,533.90
  5. Step 5: Solve for x
    x = 346,064,690,533.90/676,566.08
  6. Step 6: Final answer
    x = 511,501.69

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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.