Home / 1,577,585-2,365,196.52-511,991.12

Finding the Fourth Proportional to 1,577,585, 2,365,196.52 and 511,991.12

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Solution

The fourth proportional to 1,577,585, 2,365,196.52 and 511,991.12 is: 767,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,585 : 2,365,196.52 = 511,991.12 : x
  2. Step 2: Convert to fraction form
    1,577,585/2,365,196.52 = 511,991.12/x
  3. Step 3: Cross multiply
    1,577,585x = 2,365,196.52 × 511,991.12
  4. Step 4: Simplify right side
    1,577,585x = 1,210,959,615,294.90
  5. Step 5: Solve for x
    x = 1,210,959,615,294.90/1,577,585
  6. Step 6: Final answer
    x = 767,603.40

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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.