Home / 740,436.58-1,021,038.78-633,361.06

Finding the Fourth Proportional to 740,436.58, 1,021,038.78 and 633,361.06

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Solution

The fourth proportional to 740,436.58, 1,021,038.78 and 633,361.06 is: 873,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,436.58 : 1,021,038.78 = 633,361.06 : x
  2. Step 2: Convert to fraction form
    740,436.58/1,021,038.78 = 633,361.06/x
  3. Step 3: Cross multiply
    740,436.58x = 1,021,038.78 × 633,361.06
  4. Step 4: Simplify right side
    740,436.58x = 646,686,204,001.91
  5. Step 5: Solve for x
    x = 646,686,204,001.91/740,436.58
  6. Step 6: Final answer
    x = 873,385.00

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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.