Home / 930,866.04-1,396,271.25-256,988.45

Finding the Fourth Proportional to 930,866.04, 1,396,271.25 and 256,988.45

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Solution

The fourth proportional to 930,866.04, 1,396,271.25 and 256,988.45 is: 385,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,866.04 : 1,396,271.25 = 256,988.45 : x
  2. Step 2: Convert to fraction form
    930,866.04/1,396,271.25 = 256,988.45/x
  3. Step 3: Cross multiply
    930,866.04x = 1,396,271.25 × 256,988.45
  4. Step 4: Simplify right side
    930,866.04x = 358,825,587,807.74
  5. Step 5: Solve for x
    x = 358,825,587,807.74/930,866.04
  6. Step 6: Final answer
    x = 385,475.00

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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.