Home / 988,626.89-1,364,220.22-575,240.15

Finding the Fourth Proportional to 988,626.89, 1,364,220.22 and 575,240.15

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Solution

The fourth proportional to 988,626.89, 1,364,220.22 and 575,240.15 is: 793,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,626.89 : 1,364,220.22 = 575,240.15 : x
  2. Step 2: Convert to fraction form
    988,626.89/1,364,220.22 = 575,240.15/x
  3. Step 3: Cross multiply
    988,626.89x = 1,364,220.22 × 575,240.15
  4. Step 4: Simplify right side
    988,626.89x = 784,754,243,985.83
  5. Step 5: Solve for x
    x = 784,754,243,985.83/988,626.89
  6. Step 6: Final answer
    x = 793,782.01

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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.