Home / 1,223,567.34-1,688,723.55-707,338.14

Finding the Fourth Proportional to 1,223,567.34, 1,688,723.55 and 707,338.14

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Solution

The fourth proportional to 1,223,567.34, 1,688,723.55 and 707,338.14 is: 976,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,567.34 : 1,688,723.55 = 707,338.14 : x
  2. Step 2: Convert to fraction form
    1,223,567.34/1,688,723.55 = 707,338.14/x
  3. Step 3: Cross multiply
    1,223,567.34x = 1,688,723.55 × 707,338.14
  4. Step 4: Simplify right side
    1,223,567.34x = 1,194,498,574,831.20
  5. Step 5: Solve for x
    x = 1,194,498,574,831.20/1,223,567.34
  6. Step 6: Final answer
    x = 976,242.61

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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.