Home / 1,314,303.44-1,971,526.91-415,678.10

Finding the Fourth Proportional to 1,314,303.44, 1,971,526.91 and 415,678.10

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Solution

The fourth proportional to 1,314,303.44, 1,971,526.91 and 415,678.10 is: 623,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,303.44 : 1,971,526.91 = 415,678.10 : x
  2. Step 2: Convert to fraction form
    1,314,303.44/1,971,526.91 = 415,678.10/x
  3. Step 3: Cross multiply
    1,314,303.44x = 1,971,526.91 × 415,678.10
  4. Step 4: Simplify right side
    1,314,303.44x = 819,520,548,111.65
  5. Step 5: Solve for x
    x = 819,520,548,111.65/1,314,303.44
  6. Step 6: Final answer
    x = 623,539.84

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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.