Home / 1,148,547.12-1,722,820.68-307,077

Finding the Fourth Proportional to 1,148,547.12, 1,722,820.68 and 307,077

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Solution

The fourth proportional to 1,148,547.12, 1,722,820.68 and 307,077 is: 460,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,547.12 : 1,722,820.68 = 307,077 : x
  2. Step 2: Convert to fraction form
    1,148,547.12/1,722,820.68 = 307,077/x
  3. Step 3: Cross multiply
    1,148,547.12x = 1,722,820.68 × 307,077
  4. Step 4: Simplify right side
    1,148,547.12x = 529,038,605,952.36
  5. Step 5: Solve for x
    x = 529,038,605,952.36/1,148,547.12
  6. Step 6: Final answer
    x = 460,615.50

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Double scale
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Similar ratio
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1.5x scale

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.