Home / 989,596.23-1,365,637.10-536,877.51

Finding the Fourth Proportional to 989,596.23, 1,365,637.10 and 536,877.51

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Solution

The fourth proportional to 989,596.23, 1,365,637.10 and 536,877.51 is: 740,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,596.23 : 1,365,637.10 = 536,877.51 : x
  2. Step 2: Convert to fraction form
    989,596.23/1,365,637.10 = 536,877.51/x
  3. Step 3: Cross multiply
    989,596.23x = 1,365,637.10 × 536,877.51
  4. Step 4: Simplify right side
    989,596.23x = 733,179,843,127.23
  5. Step 5: Solve for x
    x = 733,179,843,127.23/989,596.23
  6. Step 6: Final answer
    x = 740,887.87

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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.