Home / 1,918,521.45-2,877,782.33-570,703.42

Finding the Fourth Proportional to 1,918,521.45, 2,877,782.33 and 570,703.42

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Solution

The fourth proportional to 1,918,521.45, 2,877,782.33 and 570,703.42 is: 856,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,521.45 : 2,877,782.33 = 570,703.42 : x
  2. Step 2: Convert to fraction form
    1,918,521.45/2,877,782.33 = 570,703.42/x
  3. Step 3: Cross multiply
    1,918,521.45x = 2,877,782.33 × 570,703.42
  4. Step 4: Simplify right side
    1,918,521.45x = 1,642,360,217,746.57
  5. Step 5: Solve for x
    x = 1,642,360,217,746.57/1,918,521.45
  6. Step 6: Final answer
    x = 856,055.18

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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.