Home / 1,036,586.40-1,430,000.28-606,600.42

Finding the Fourth Proportional to 1,036,586.40, 1,430,000.28 and 606,600.42

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Solution

The fourth proportional to 1,036,586.40, 1,430,000.28 and 606,600.42 is: 836,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,586.40 : 1,430,000.28 = 606,600.42 : x
  2. Step 2: Convert to fraction form
    1,036,586.40/1,430,000.28 = 606,600.42/x
  3. Step 3: Cross multiply
    1,036,586.40x = 1,430,000.28 × 606,600.42
  4. Step 4: Simplify right side
    1,036,586.40x = 867,438,770,448.12
  5. Step 5: Solve for x
    x = 867,438,770,448.12/1,036,586.40
  6. Step 6: Final answer
    x = 836,822.45

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Double scale
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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.