Home / 1,020,711.60-1,408,570.80-561,816.36

Finding the Fourth Proportional to 1,020,711.60, 1,408,570.80 and 561,816.36

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Solution

The fourth proportional to 1,020,711.60, 1,408,570.80 and 561,816.36 is: 775,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,711.60 : 1,408,570.80 = 561,816.36 : x
  2. Step 2: Convert to fraction form
    1,020,711.60/1,408,570.80 = 561,816.36/x
  3. Step 3: Cross multiply
    1,020,711.60x = 1,408,570.80 × 561,816.36
  4. Step 4: Simplify right side
    1,020,711.60x = 791,358,119,658.29
  5. Step 5: Solve for x
    x = 791,358,119,658.29/1,020,711.60
  6. Step 6: Final answer
    x = 775,300.41

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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.