Home / 1,009,935.62-1,393,779.45-580,386.98

Finding the Fourth Proportional to 1,009,935.62, 1,393,779.45 and 580,386.98

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Solution

The fourth proportional to 1,009,935.62, 1,393,779.45 and 580,386.98 is: 800,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.62 : 1,393,779.45 = 580,386.98 : x
  2. Step 2: Convert to fraction form
    1,009,935.62/1,393,779.45 = 580,386.98/x
  3. Step 3: Cross multiply
    1,009,935.62x = 1,393,779.45 × 580,386.98
  4. Step 4: Simplify right side
    1,009,935.62x = 808,931,445,771.56
  5. Step 5: Solve for x
    x = 808,931,445,771.56/1,009,935.62
  6. Step 6: Final answer
    x = 800,973.28

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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.