Home / 740,995.09-1,022,008.98-637,804.90

Finding the Fourth Proportional to 740,995.09, 1,022,008.98 and 637,804.90

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Solution

The fourth proportional to 740,995.09, 1,022,008.98 and 637,804.90 is: 879,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,995.09 : 1,022,008.98 = 637,804.90 : x
  2. Step 2: Convert to fraction form
    740,995.09/1,022,008.98 = 637,804.90/x
  3. Step 3: Cross multiply
    740,995.09x = 1,022,008.98 × 637,804.90
  4. Step 4: Simplify right side
    740,995.09x = 651,842,335,288.00
  5. Step 5: Solve for x
    x = 651,842,335,288.00/740,995.09
  6. Step 6: Final answer
    x = 879,685.09

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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.