Home / 1,698,139.24-2,343,451.50-972,972.40

Finding the Fourth Proportional to 1,698,139.24, 2,343,451.50 and 972,972.40

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Solution

The fourth proportional to 1,698,139.24, 2,343,451.50 and 972,972.40 is: 1,342,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,139.24 : 2,343,451.50 = 972,972.40 : x
  2. Step 2: Convert to fraction form
    1,698,139.24/2,343,451.50 = 972,972.40/x
  3. Step 3: Cross multiply
    1,698,139.24x = 2,343,451.50 × 972,972.40
  4. Step 4: Simplify right side
    1,698,139.24x = 2,280,113,630,238.60
  5. Step 5: Solve for x
    x = 2,280,113,630,238.60/1,698,139.24
  6. Step 6: Final answer
    x = 1,342,713.00

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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.