Home / 696,938.40-961,832.96-386,870.16

Finding the Fourth Proportional to 696,938.40, 961,832.96 and 386,870.16

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Solution

The fourth proportional to 696,938.40, 961,832.96 and 386,870.16 is: 533,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,938.40 : 961,832.96 = 386,870.16 : x
  2. Step 2: Convert to fraction form
    696,938.40/961,832.96 = 386,870.16/x
  3. Step 3: Cross multiply
    696,938.40x = 961,832.96 × 386,870.16
  4. Step 4: Simplify right side
    696,938.40x = 372,104,469,194.12
  5. Step 5: Solve for x
    x = 372,104,469,194.12/696,938.40
  6. Step 6: Final answer
    x = 533,913.00

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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.