Home / 866,300.98-1,195,434.65-503,699.11

Finding the Fourth Proportional to 866,300.98, 1,195,434.65 and 503,699.11

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Solution

The fourth proportional to 866,300.98, 1,195,434.65 and 503,699.11 is: 695,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,300.98 : 1,195,434.65 = 503,699.11 : x
  2. Step 2: Convert to fraction form
    866,300.98/1,195,434.65 = 503,699.11/x
  3. Step 3: Cross multiply
    866,300.98x = 1,195,434.65 × 503,699.11
  4. Step 4: Simplify right side
    866,300.98x = 602,139,369,268.16
  5. Step 5: Solve for x
    x = 602,139,369,268.16/866,300.98
  6. Step 6: Final answer
    x = 695,069.48

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Double scale
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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.