Home / 1,298,210.55-1,791,536.01-709,521.83

Finding the Fourth Proportional to 1,298,210.55, 1,791,536.01 and 709,521.83

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Solution

The fourth proportional to 1,298,210.55, 1,791,536.01 and 709,521.83 is: 979,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,210.55 : 1,791,536.01 = 709,521.83 : x
  2. Step 2: Convert to fraction form
    1,298,210.55/1,791,536.01 = 709,521.83/x
  3. Step 3: Cross multiply
    1,298,210.55x = 1,791,536.01 × 709,521.83
  4. Step 4: Simplify right side
    1,298,210.55x = 1,271,133,895,820.81
  5. Step 5: Solve for x
    x = 1,271,133,895,820.81/1,298,210.55
  6. Step 6: Final answer
    x = 979,143.10

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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.