Home / 1,124,368.44-1,683,850-643,137.20

Finding the Fourth Proportional to 1,124,368.44, 1,683,850 and 643,137.20

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Solution

The fourth proportional to 1,124,368.44, 1,683,850 and 643,137.20 is: 963,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,368.44 : 1,683,850 = 643,137.20 : x
  2. Step 2: Convert to fraction form
    1,124,368.44/1,683,850 = 643,137.20/x
  3. Step 3: Cross multiply
    1,124,368.44x = 1,683,850 × 643,137.20
  4. Step 4: Simplify right side
    1,124,368.44x = 1,082,946,574,220.00
  5. Step 5: Solve for x
    x = 1,082,946,574,220.00/1,124,368.44
  6. Step 6: Final answer
    x = 963,159.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.