Home / 1,047,138.10-1,570,246.35-415,842.10

Finding the Fourth Proportional to 1,047,138.10, 1,570,246.35 and 415,842.10

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Solution

The fourth proportional to 1,047,138.10, 1,570,246.35 and 415,842.10 is: 623,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,138.10 : 1,570,246.35 = 415,842.10 : x
  2. Step 2: Convert to fraction form
    1,047,138.10/1,570,246.35 = 415,842.10/x
  3. Step 3: Cross multiply
    1,047,138.10x = 1,570,246.35 × 415,842.10
  4. Step 4: Simplify right side
    1,047,138.10x = 652,974,539,701.34
  5. Step 5: Solve for x
    x = 652,974,539,701.34/1,047,138.10
  6. Step 6: Final answer
    x = 623,580.16

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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.