Home / 1,087,152.08-1,630,670.52-339,112.40

Finding the Fourth Proportional to 1,087,152.08, 1,630,670.52 and 339,112.40

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Solution

The fourth proportional to 1,087,152.08, 1,630,670.52 and 339,112.40 is: 508,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,152.08 : 1,630,670.52 = 339,112.40 : x
  2. Step 2: Convert to fraction form
    1,087,152.08/1,630,670.52 = 339,112.40/x
  3. Step 3: Cross multiply
    1,087,152.08x = 1,630,670.52 × 339,112.40
  4. Step 4: Simplify right side
    1,087,152.08x = 552,980,593,646.45
  5. Step 5: Solve for x
    x = 552,980,593,646.45/1,087,152.08
  6. Step 6: Final answer
    x = 508,650.63

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Double scale
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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.