Home / 692,411.50-1,038,617.25-193,775.50

Finding the Fourth Proportional to 692,411.50, 1,038,617.25 and 193,775.50

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Solution

The fourth proportional to 692,411.50, 1,038,617.25 and 193,775.50 is: 290,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,411.50 : 1,038,617.25 = 193,775.50 : x
  2. Step 2: Convert to fraction form
    692,411.50/1,038,617.25 = 193,775.50/x
  3. Step 3: Cross multiply
    692,411.50x = 1,038,617.25 × 193,775.50
  4. Step 4: Simplify right side
    692,411.50x = 201,258,576,927.38
  5. Step 5: Solve for x
    x = 201,258,576,927.38/692,411.50
  6. Step 6: Final answer
    x = 290,663.25

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Double scale
Find fourth proportional to 692,412.50, 1,038,618.75 and 193,776.50
Similar ratio
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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.