Home / 1,220,153.02-1,683,613.35-761,194.67

Finding the Fourth Proportional to 1,220,153.02, 1,683,613.35 and 761,194.67

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Solution

The fourth proportional to 1,220,153.02, 1,683,613.35 and 761,194.67 is: 1,050,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,153.02 : 1,683,613.35 = 761,194.67 : x
  2. Step 2: Convert to fraction form
    1,220,153.02/1,683,613.35 = 761,194.67/x
  3. Step 3: Cross multiply
    1,220,153.02x = 1,683,613.35 × 761,194.67
  4. Step 4: Simplify right side
    1,220,153.02x = 1,281,557,499,942.78
  5. Step 5: Solve for x
    x = 1,281,557,499,942.78/1,220,153.02
  6. Step 6: Final answer
    x = 1,050,325.23

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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.