Home / 1,223,561.84-1,688,715.96-707,332.64

Finding the Fourth Proportional to 1,223,561.84, 1,688,715.96 and 707,332.64

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Solution

The fourth proportional to 1,223,561.84, 1,688,715.96 and 707,332.64 is: 976,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,561.84 : 1,688,715.96 = 707,332.64 : x
  2. Step 2: Convert to fraction form
    1,223,561.84/1,688,715.96 = 707,332.64/x
  3. Step 3: Cross multiply
    1,223,561.84x = 1,688,715.96 × 707,332.64
  4. Step 4: Simplify right side
    1,223,561.84x = 1,194,483,918,196.93
  5. Step 5: Solve for x
    x = 1,194,483,918,196.93/1,223,561.84
  6. Step 6: Final answer
    x = 976,235.02

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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.