Home / 756,189.67-1,043,615.28-564,870.91

Finding the Fourth Proportional to 756,189.67, 1,043,615.28 and 564,870.91

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Solution

The fourth proportional to 756,189.67, 1,043,615.28 and 564,870.91 is: 779,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,189.67 : 1,043,615.28 = 564,870.91 : x
  2. Step 2: Convert to fraction form
    756,189.67/1,043,615.28 = 564,870.91/x
  3. Step 3: Cross multiply
    756,189.67x = 1,043,615.28 × 564,870.91
  4. Step 4: Simplify right side
    756,189.67x = 589,507,912,903.51
  5. Step 5: Solve for x
    x = 589,507,912,903.51/756,189.67
  6. Step 6: Final answer
    x = 779,576.79

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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.