Home / 1,557,085.80-2,148,778.98-841,693.80

Finding the Fourth Proportional to 1,557,085.80, 2,148,778.98 and 841,693.80

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Solution

The fourth proportional to 1,557,085.80, 2,148,778.98 and 841,693.80 is: 1,161,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,085.80 : 2,148,778.98 = 841,693.80 : x
  2. Step 2: Convert to fraction form
    1,557,085.80/2,148,778.98 = 841,693.80/x
  3. Step 3: Cross multiply
    1,557,085.80x = 2,148,778.98 × 841,693.80
  4. Step 4: Simplify right side
    1,557,085.80x = 1,808,613,945,036.32
  5. Step 5: Solve for x
    x = 1,808,613,945,036.32/1,557,085.80
  6. Step 6: Final answer
    x = 1,161,537.76

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Double scale
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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.