Home / 1,005,563.52-1,387,648.73-570,021.12

Finding the Fourth Proportional to 1,005,563.52, 1,387,648.73 and 570,021.12

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Solution

The fourth proportional to 1,005,563.52, 1,387,648.73 and 570,021.12 is: 786,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,563.52 : 1,387,648.73 = 570,021.12 : x
  2. Step 2: Convert to fraction form
    1,005,563.52/1,387,648.73 = 570,021.12/x
  3. Step 3: Cross multiply
    1,005,563.52x = 1,387,648.73 × 570,021.12
  4. Step 4: Simplify right side
    1,005,563.52x = 790,989,084,666.23
  5. Step 5: Solve for x
    x = 790,989,084,666.23/1,005,563.52
  6. Step 6: Final answer
    x = 786,612.75

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1.5x scale

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.