Home / 788,501.72-1,088,132.80-425,925.58

Finding the Fourth Proportional to 788,501.72, 1,088,132.80 and 425,925.58

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Solution

The fourth proportional to 788,501.72, 1,088,132.80 and 425,925.58 is: 587,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,501.72 : 1,088,132.80 = 425,925.58 : x
  2. Step 2: Convert to fraction form
    788,501.72/1,088,132.80 = 425,925.58/x
  3. Step 3: Cross multiply
    788,501.72x = 1,088,132.80 × 425,925.58
  4. Step 4: Simplify right side
    788,501.72x = 463,463,588,516.36
  5. Step 5: Solve for x
    x = 463,463,588,516.36/788,501.72
  6. Step 6: Final answer
    x = 587,777.53

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Double scale
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Similar ratio
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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.