Home / 1,258,541.28-1,886,547.83-404,985.60

Finding the Fourth Proportional to 1,258,541.28, 1,886,547.83 and 404,985.60

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Solution

The fourth proportional to 1,258,541.28, 1,886,547.83 and 404,985.60 is: 607,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,541.28 : 1,886,547.83 = 404,985.60 : x
  2. Step 2: Convert to fraction form
    1,258,541.28/1,886,547.83 = 404,985.60/x
  3. Step 3: Cross multiply
    1,258,541.28x = 1,886,547.83 × 404,985.60
  4. Step 4: Simplify right side
    1,258,541.28x = 764,024,704,861.25
  5. Step 5: Solve for x
    x = 764,024,704,861.25/1,258,541.28
  6. Step 6: Final answer
    x = 607,071.63

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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.