Home / 1,220,322.84-1,683,047.02-858,943

Finding the Fourth Proportional to 1,220,322.84, 1,683,047.02 and 858,943

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Solution

The fourth proportional to 1,220,322.84, 1,683,047.02 and 858,943 is: 1,184,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,322.84 : 1,683,047.02 = 858,943 : x
  2. Step 2: Convert to fraction form
    1,220,322.84/1,683,047.02 = 858,943/x
  3. Step 3: Cross multiply
    1,220,322.84x = 1,683,047.02 × 858,943
  4. Step 4: Simplify right side
    1,220,322.84x = 1,445,641,456,499.86
  5. Step 5: Solve for x
    x = 1,445,641,456,499.86/1,220,322.84
  6. Step 6: Final answer
    x = 1,184,638.53

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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.