Home / 953,988.79-1,316,554.98-540,605.81

Finding the Fourth Proportional to 953,988.79, 1,316,554.98 and 540,605.81

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Solution

The fourth proportional to 953,988.79, 1,316,554.98 and 540,605.81 is: 746,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,988.79 : 1,316,554.98 = 540,605.81 : x
  2. Step 2: Convert to fraction form
    953,988.79/1,316,554.98 = 540,605.81/x
  3. Step 3: Cross multiply
    953,988.79x = 1,316,554.98 × 540,605.81
  4. Step 4: Simplify right side
    953,988.79x = 711,737,264,789.66
  5. Step 5: Solve for x
    x = 711,737,264,789.66/953,988.79
  6. Step 6: Final answer
    x = 746,064.60

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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.