Home / 899,246.07-1,240,945.16-491,339.07

Finding the Fourth Proportional to 899,246.07, 1,240,945.16 and 491,339.07

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Solution

The fourth proportional to 899,246.07, 1,240,945.16 and 491,339.07 is: 678,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,246.07 : 1,240,945.16 = 491,339.07 : x
  2. Step 2: Convert to fraction form
    899,246.07/1,240,945.16 = 491,339.07/x
  3. Step 3: Cross multiply
    899,246.07x = 1,240,945.16 × 491,339.07
  4. Step 4: Simplify right side
    899,246.07x = 609,724,838,378.71
  5. Step 5: Solve for x
    x = 609,724,838,378.71/899,246.07
  6. Step 6: Final answer
    x = 678,040.04

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Double scale
Find fourth proportional to 899,247.07, 1,240,946.53 and 491,340.07
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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.