Home / 977,118.69-1,348,423.91-541,564.16

Finding the Fourth Proportional to 977,118.69, 1,348,423.91 and 541,564.16

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Solution

The fourth proportional to 977,118.69, 1,348,423.91 and 541,564.16 is: 747,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,118.69 : 1,348,423.91 = 541,564.16 : x
  2. Step 2: Convert to fraction form
    977,118.69/1,348,423.91 = 541,564.16/x
  3. Step 3: Cross multiply
    977,118.69x = 1,348,423.91 × 541,564.16
  4. Step 4: Simplify right side
    977,118.69x = 730,258,052,693.13
  5. Step 5: Solve for x
    x = 730,258,052,693.13/977,118.69
  6. Step 6: Final answer
    x = 747,358.60

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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.