Home / 977,050.60-1,465,721.70-345,914.80

Finding the Fourth Proportional to 977,050.60, 1,465,721.70 and 345,914.80

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Solution

The fourth proportional to 977,050.60, 1,465,721.70 and 345,914.80 is: 518,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,050.60 : 1,465,721.70 = 345,914.80 : x
  2. Step 2: Convert to fraction form
    977,050.60/1,465,721.70 = 345,914.80/x
  3. Step 3: Cross multiply
    977,050.60x = 1,465,721.70 × 345,914.80
  4. Step 4: Simplify right side
    977,050.60x = 507,014,828,711.16
  5. Step 5: Solve for x
    x = 507,014,828,711.16/977,050.60
  6. Step 6: Final answer
    x = 518,923.82

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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.