Home / 912,306.16-1,368,038.01-335,784.63

Finding the Fourth Proportional to 912,306.16, 1,368,038.01 and 335,784.63

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Solution

The fourth proportional to 912,306.16, 1,368,038.01 and 335,784.63 is: 503,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,306.16 : 1,368,038.01 = 335,784.63 : x
  2. Step 2: Convert to fraction form
    912,306.16/1,368,038.01 = 335,784.63/x
  3. Step 3: Cross multiply
    912,306.16x = 1,368,038.01 × 335,784.63
  4. Step 4: Simplify right side
    912,306.16x = 459,366,137,013.79
  5. Step 5: Solve for x
    x = 459,366,137,013.79/912,306.16
  6. Step 6: Final answer
    x = 503,521.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.