Home / 977,221.60-1,467,144.60-623,802.40

Finding the Fourth Proportional to 977,221.60, 1,467,144.60 and 623,802.40

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Solution

The fourth proportional to 977,221.60, 1,467,144.60 and 623,802.40 is: 936,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,221.60 : 1,467,144.60 = 623,802.40 : x
  2. Step 2: Convert to fraction form
    977,221.60/1,467,144.60 = 623,802.40/x
  3. Step 3: Cross multiply
    977,221.60x = 1,467,144.60 × 623,802.40
  4. Step 4: Simplify right side
    977,221.60x = 915,208,322,627.04
  5. Step 5: Solve for x
    x = 915,208,322,627.04/977,221.60
  6. Step 6: Final answer
    x = 936,541.23

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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.