Home / 1,457,570.70-2,186,356.05-1,153,140.30

Finding the Fourth Proportional to 1,457,570.70, 2,186,356.05 and 1,153,140.30

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Solution

The fourth proportional to 1,457,570.70, 2,186,356.05 and 1,153,140.30 is: 1,729,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,570.70 : 2,186,356.05 = 1,153,140.30 : x
  2. Step 2: Convert to fraction form
    1,457,570.70/2,186,356.05 = 1,153,140.30/x
  3. Step 3: Cross multiply
    1,457,570.70x = 2,186,356.05 × 1,153,140.30
  4. Step 4: Simplify right side
    1,457,570.70x = 2,521,175,271,403.82
  5. Step 5: Solve for x
    x = 2,521,175,271,403.82/1,457,570.70
  6. Step 6: Final answer
    x = 1,729,710.45

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Similar ratio
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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.