Home / 1,678,618.70-2,316,421.37-953,464.16

Finding the Fourth Proportional to 1,678,618.70, 2,316,421.37 and 953,464.16

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Solution

The fourth proportional to 1,678,618.70, 2,316,421.37 and 953,464.16 is: 1,315,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,618.70 : 2,316,421.37 = 953,464.16 : x
  2. Step 2: Convert to fraction form
    1,678,618.70/2,316,421.37 = 953,464.16/x
  3. Step 3: Cross multiply
    1,678,618.70x = 2,316,421.37 × 953,464.16
  4. Step 4: Simplify right side
    1,678,618.70x = 2,208,624,755,753.10
  5. Step 5: Solve for x
    x = 2,208,624,755,753.10/1,678,618.70
  6. Step 6: Final answer
    x = 1,315,739.40

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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.