Home / 653,705.40-902,220.66-544,637.01

Finding the Fourth Proportional to 653,705.40, 902,220.66 and 544,637.01

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Solution

The fourth proportional to 653,705.40, 902,220.66 and 544,637.01 is: 751,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,705.40 : 902,220.66 = 544,637.01 : x
  2. Step 2: Convert to fraction form
    653,705.40/902,220.66 = 544,637.01/x
  3. Step 3: Cross multiply
    653,705.40x = 902,220.66 × 544,637.01
  4. Step 4: Simplify right side
    653,705.40x = 491,382,762,622.63
  5. Step 5: Solve for x
    x = 491,382,762,622.63/653,705.40
  6. Step 6: Final answer
    x = 751,688.39

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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.