Home / 742,869.02-1,114,746.20-269,591.29

Finding the Fourth Proportional to 742,869.02, 1,114,746.20 and 269,591.29

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Solution

The fourth proportional to 742,869.02, 1,114,746.20 and 269,591.29 is: 404,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,869.02 : 1,114,746.20 = 269,591.29 : x
  2. Step 2: Convert to fraction form
    742,869.02/1,114,746.20 = 269,591.29/x
  3. Step 3: Cross multiply
    742,869.02x = 1,114,746.20 × 269,591.29
  4. Step 4: Simplify right side
    742,869.02x = 300,525,862,956.74
  5. Step 5: Solve for x
    x = 300,525,862,956.74/742,869.02
  6. Step 6: Final answer
    x = 404,547.58

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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.