Home / 779,968.40-1,169,952.60-360,064.40

Finding the Fourth Proportional to 779,968.40, 1,169,952.60 and 360,064.40

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Solution

The fourth proportional to 779,968.40, 1,169,952.60 and 360,064.40 is: 540,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,968.40 : 1,169,952.60 = 360,064.40 : x
  2. Step 2: Convert to fraction form
    779,968.40/1,169,952.60 = 360,064.40/x
  3. Step 3: Cross multiply
    779,968.40x = 1,169,952.60 × 360,064.40
  4. Step 4: Simplify right side
    779,968.40x = 421,258,280,947.44
  5. Step 5: Solve for x
    x = 421,258,280,947.44/779,968.40
  6. Step 6: Final answer
    x = 540,096.60

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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.