Home / 711,615.20-1,064,830.80-524,991.20

Finding the Fourth Proportional to 711,615.20, 1,064,830.80 and 524,991.20

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Solution

The fourth proportional to 711,615.20, 1,064,830.80 and 524,991.20 is: 785,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,615.20 : 1,064,830.80 = 524,991.20 : x
  2. Step 2: Convert to fraction form
    711,615.20/1,064,830.80 = 524,991.20/x
  3. Step 3: Cross multiply
    711,615.20x = 1,064,830.80 × 524,991.20
  4. Step 4: Simplify right side
    711,615.20x = 559,026,799,488.96
  5. Step 5: Solve for x
    x = 559,026,799,488.96/711,615.20
  6. Step 6: Final answer
    x = 785,574.56

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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.