Home / 788,845.42-1,088,386.23-531,085.60

Finding the Fourth Proportional to 788,845.42, 1,088,386.23 and 531,085.60

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Solution

The fourth proportional to 788,845.42, 1,088,386.23 and 531,085.60 is: 732,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,845.42 : 1,088,386.23 = 531,085.60 : x
  2. Step 2: Convert to fraction form
    788,845.42/1,088,386.23 = 531,085.60/x
  3. Step 3: Cross multiply
    788,845.42x = 1,088,386.23 × 531,085.60
  4. Step 4: Simplify right side
    788,845.42x = 578,026,253,991.29
  5. Step 5: Solve for x
    x = 578,026,253,991.29/788,845.42
  6. Step 6: Final answer
    x = 732,749.71

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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.