Home / 1,746,405.78-2,409,157.80-1,020,779.43

Finding the Fourth Proportional to 1,746,405.78, 2,409,157.80 and 1,020,779.43

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Solution

The fourth proportional to 1,746,405.78, 2,409,157.80 and 1,020,779.43 is: 1,408,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,405.78 : 2,409,157.80 = 1,020,779.43 : x
  2. Step 2: Convert to fraction form
    1,746,405.78/2,409,157.80 = 1,020,779.43/x
  3. Step 3: Cross multiply
    1,746,405.78x = 2,409,157.80 × 1,020,779.43
  4. Step 4: Simplify right side
    1,746,405.78x = 2,459,218,725,864.05
  5. Step 5: Solve for x
    x = 2,459,218,725,864.05/1,746,405.78
  6. Step 6: Final answer
    x = 1,408,159.98

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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.