Home / 1,186,057.54-1,779,070.56-287,507.17

Finding the Fourth Proportional to 1,186,057.54, 1,779,070.56 and 287,507.17

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Solution

The fourth proportional to 1,186,057.54, 1,779,070.56 and 287,507.17 is: 431,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,057.54 : 1,779,070.56 = 287,507.17 : x
  2. Step 2: Convert to fraction form
    1,186,057.54/1,779,070.56 = 287,507.17/x
  3. Step 3: Cross multiply
    1,186,057.54x = 1,779,070.56 × 287,507.17
  4. Step 4: Simplify right side
    1,186,057.54x = 511,495,541,935.92
  5. Step 5: Solve for x
    x = 511,495,541,935.92/1,186,057.54
  6. Step 6: Final answer
    x = 431,256.94

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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.