Home / 1,470,656.19-2,029,190.70-858,531.16

Finding the Fourth Proportional to 1,470,656.19, 2,029,190.70 and 858,531.16

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Solution

The fourth proportional to 1,470,656.19, 2,029,190.70 and 858,531.16 is: 1,184,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,656.19 : 2,029,190.70 = 858,531.16 : x
  2. Step 2: Convert to fraction form
    1,470,656.19/2,029,190.70 = 858,531.16/x
  3. Step 3: Cross multiply
    1,470,656.19x = 2,029,190.70 × 858,531.16
  4. Step 4: Simplify right side
    1,470,656.19x = 1,742,123,445,532.21
  5. Step 5: Solve for x
    x = 1,742,123,445,532.21/1,470,656.19
  6. Step 6: Final answer
    x = 1,184,589.20

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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.