Home / 713,864.27-985,123.40-407,937.19

Finding the Fourth Proportional to 713,864.27, 985,123.40 and 407,937.19

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Solution

The fourth proportional to 713,864.27, 985,123.40 and 407,937.19 is: 562,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,864.27 : 985,123.40 = 407,937.19 : x
  2. Step 2: Convert to fraction form
    713,864.27/985,123.40 = 407,937.19/x
  3. Step 3: Cross multiply
    713,864.27x = 985,123.40 × 407,937.19
  4. Step 4: Simplify right side
    713,864.27x = 401,868,471,599.25
  5. Step 5: Solve for x
    x = 401,868,471,599.25/713,864.27
  6. Step 6: Final answer
    x = 562,948.01

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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.