Home / 966,421.09-1,333,624.57-536,728.89

Finding the Fourth Proportional to 966,421.09, 1,333,624.57 and 536,728.89

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Solution

The fourth proportional to 966,421.09, 1,333,624.57 and 536,728.89 is: 740,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,421.09 : 1,333,624.57 = 536,728.89 : x
  2. Step 2: Convert to fraction form
    966,421.09/1,333,624.57 = 536,728.89/x
  3. Step 3: Cross multiply
    966,421.09x = 1,333,624.57 × 536,728.89
  4. Step 4: Simplify right side
    966,421.09x = 715,794,835,132.83
  5. Step 5: Solve for x
    x = 715,794,835,132.83/966,421.09
  6. Step 6: Final answer
    x = 740,665.58

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1.5x scale

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.