Home / 711,239.20-1,064,266.80-524,615.20

Finding the Fourth Proportional to 711,239.20, 1,064,266.80 and 524,615.20

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Solution

The fourth proportional to 711,239.20, 1,064,266.80 and 524,615.20 is: 785,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,239.20 : 1,064,266.80 = 524,615.20 : x
  2. Step 2: Convert to fraction form
    711,239.20/1,064,266.80 = 524,615.20/x
  3. Step 3: Cross multiply
    711,239.20x = 1,064,266.80 × 524,615.20
  4. Step 4: Simplify right side
    711,239.20x = 558,330,540,135.36
  5. Step 5: Solve for x
    x = 558,330,540,135.36/711,239.20
  6. Step 6: Final answer
    x = 785,010.92

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1.5x scale

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.