Home / 1,130,017.41-1,559,434.77-620,719.77

Finding the Fourth Proportional to 1,130,017.41, 1,559,434.77 and 620,719.77

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Solution

The fourth proportional to 1,130,017.41, 1,559,434.77 and 620,719.77 is: 856,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,017.41 : 1,559,434.77 = 620,719.77 : x
  2. Step 2: Convert to fraction form
    1,130,017.41/1,559,434.77 = 620,719.77/x
  3. Step 3: Cross multiply
    1,130,017.41x = 1,559,434.77 × 620,719.77
  4. Step 4: Simplify right side
    1,130,017.41x = 967,971,991,764.40
  5. Step 5: Solve for x
    x = 967,971,991,764.40/1,130,017.41
  6. Step 6: Final answer
    x = 856,599.18

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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.