Home / 993,280.16-1,370,871.06-557,746.40

Finding the Fourth Proportional to 993,280.16, 1,370,871.06 and 557,746.40

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Solution

The fourth proportional to 993,280.16, 1,370,871.06 and 557,746.40 is: 769,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,280.16 : 1,370,871.06 = 557,746.40 : x
  2. Step 2: Convert to fraction form
    993,280.16/1,370,871.06 = 557,746.40/x
  3. Step 3: Cross multiply
    993,280.16x = 1,370,871.06 × 557,746.40
  4. Step 4: Simplify right side
    993,280.16x = 764,598,398,579.18
  5. Step 5: Solve for x
    x = 764,598,398,579.18/993,280.16
  6. Step 6: Final answer
    x = 769,771.14

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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.