Home / 1,167,386.40-1,749,783.60-457,178.40

Finding the Fourth Proportional to 1,167,386.40, 1,749,783.60 and 457,178.40

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Solution

The fourth proportional to 1,167,386.40, 1,749,783.60 and 457,178.40 is: 685,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,386.40 : 1,749,783.60 = 457,178.40 : x
  2. Step 2: Convert to fraction form
    1,167,386.40/1,749,783.60 = 457,178.40/x
  3. Step 3: Cross multiply
    1,167,386.40x = 1,749,783.60 × 457,178.40
  4. Step 4: Simplify right side
    1,167,386.40x = 799,963,266,594.24
  5. Step 5: Solve for x
    x = 799,963,266,594.24/1,167,386.40
  6. Step 6: Final answer
    x = 685,260.05

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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.