Home / 1,001,290.41-1,501,935.60-243,126.76

Finding the Fourth Proportional to 1,001,290.41, 1,501,935.60 and 243,126.76

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Solution

The fourth proportional to 1,001,290.41, 1,501,935.60 and 243,126.76 is: 364,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,290.41 : 1,501,935.60 = 243,126.76 : x
  2. Step 2: Convert to fraction form
    1,001,290.41/1,501,935.60 = 243,126.76/x
  3. Step 3: Cross multiply
    1,001,290.41x = 1,501,935.60 × 243,126.76
  4. Step 4: Simplify right side
    1,001,290.41x = 365,160,736,156.66
  5. Step 5: Solve for x
    x = 365,160,736,156.66/1,001,290.41
  6. Step 6: Final answer
    x = 364,690.14

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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.