Home / 885,775.86-1,326,666.18-411,463.08

Finding the Fourth Proportional to 885,775.86, 1,326,666.18 and 411,463.08

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Solution

The fourth proportional to 885,775.86, 1,326,666.18 and 411,463.08 is: 616,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,775.86 : 1,326,666.18 = 411,463.08 : x
  2. Step 2: Convert to fraction form
    885,775.86/1,326,666.18 = 411,463.08/x
  3. Step 3: Cross multiply
    885,775.86x = 1,326,666.18 × 411,463.08
  4. Step 4: Simplify right side
    885,775.86x = 545,874,152,554.63
  5. Step 5: Solve for x
    x = 545,874,152,554.63/885,775.86
  6. Step 6: Final answer
    x = 616,266.68

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1.5x scale

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.