Home / 830,372.73-1,145,999.01-508,295.67

Finding the Fourth Proportional to 830,372.73, 1,145,999.01 and 508,295.67

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Solution

The fourth proportional to 830,372.73, 1,145,999.01 and 508,295.67 is: 701,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,372.73 : 1,145,999.01 = 508,295.67 : x
  2. Step 2: Convert to fraction form
    830,372.73/1,145,999.01 = 508,295.67/x
  3. Step 3: Cross multiply
    830,372.73x = 1,145,999.01 × 508,295.67
  4. Step 4: Simplify right side
    830,372.73x = 582,506,334,607.29
  5. Step 5: Solve for x
    x = 582,506,334,607.29/830,372.73
  6. Step 6: Final answer
    x = 701,499.84

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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.