Home / 754,835.76-1,042,000.20-539,602.56

Finding the Fourth Proportional to 754,835.76, 1,042,000.20 and 539,602.56

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Solution

The fourth proportional to 754,835.76, 1,042,000.20 and 539,602.56 is: 744,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,835.76 : 1,042,000.20 = 539,602.56 : x
  2. Step 2: Convert to fraction form
    754,835.76/1,042,000.20 = 539,602.56/x
  3. Step 3: Cross multiply
    754,835.76x = 1,042,000.20 × 539,602.56
  4. Step 4: Simplify right side
    754,835.76x = 562,265,975,440.51
  5. Step 5: Solve for x
    x = 562,265,975,440.51/754,835.76
  6. Step 6: Final answer
    x = 744,885.19

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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.