Home / 1,223,771.15-1,688,705.18-707,558.19

Finding the Fourth Proportional to 1,223,771.15, 1,688,705.18 and 707,558.19

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Solution

The fourth proportional to 1,223,771.15, 1,688,705.18 and 707,558.19 is: 976,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,771.15 : 1,688,705.18 = 707,558.19 : x
  2. Step 2: Convert to fraction form
    1,223,771.15/1,688,705.18 = 707,558.19/x
  3. Step 3: Cross multiply
    1,223,771.15x = 1,688,705.18 × 707,558.19
  4. Step 4: Simplify right side
    1,223,771.15x = 1,194,857,173,387.33
  5. Step 5: Solve for x
    x = 1,194,857,173,387.33/1,223,771.15
  6. Step 6: Final answer
    x = 976,373.05

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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.