Home / 1,000,190.16-1,379,920.80-570,160.32

Finding the Fourth Proportional to 1,000,190.16, 1,379,920.80 and 570,160.32

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Solution

The fourth proportional to 1,000,190.16, 1,379,920.80 and 570,160.32 is: 786,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,190.16 : 1,379,920.80 = 570,160.32 : x
  2. Step 2: Convert to fraction form
    1,000,190.16/1,379,920.80 = 570,160.32/x
  3. Step 3: Cross multiply
    1,000,190.16x = 1,379,920.80 × 570,160.32
  4. Step 4: Simplify right side
    1,000,190.16x = 786,776,084,902.66
  5. Step 5: Solve for x
    x = 786,776,084,902.66/1,000,190.16
  6. Step 6: Final answer
    x = 786,626.50

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1.5x scale

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.