Home / 977,428.60-1,467,455.10-624,009.40

Finding the Fourth Proportional to 977,428.60, 1,467,455.10 and 624,009.40

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Solution

The fourth proportional to 977,428.60, 1,467,455.10 and 624,009.40 is: 936,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,428.60 : 1,467,455.10 = 624,009.40 : x
  2. Step 2: Convert to fraction form
    977,428.60/1,467,455.10 = 624,009.40/x
  3. Step 3: Cross multiply
    977,428.60x = 1,467,455.10 × 624,009.40
  4. Step 4: Simplify right side
    977,428.60x = 915,705,776,477.94
  5. Step 5: Solve for x
    x = 915,705,776,477.94/977,428.60
  6. Step 6: Final answer
    x = 936,851.83

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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.