Home / 869,393.60-1,303,312.80-570,017.60

Finding the Fourth Proportional to 869,393.60, 1,303,312.80 and 570,017.60

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Solution

The fourth proportional to 869,393.60, 1,303,312.80 and 570,017.60 is: 854,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,393.60 : 1,303,312.80 = 570,017.60 : x
  2. Step 2: Convert to fraction form
    869,393.60/1,303,312.80 = 570,017.60/x
  3. Step 3: Cross multiply
    869,393.60x = 1,303,312.80 × 570,017.60
  4. Step 4: Simplify right side
    869,393.60x = 742,911,234,305.28
  5. Step 5: Solve for x
    x = 742,911,234,305.28/869,393.60
  6. Step 6: Final answer
    x = 854,516.57

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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.