Home / 914,379.77-1,261,830.76-506,480.28

Finding the Fourth Proportional to 914,379.77, 1,261,830.76 and 506,480.28

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Solution

The fourth proportional to 914,379.77, 1,261,830.76 and 506,480.28 is: 698,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,379.77 : 1,261,830.76 = 506,480.28 : x
  2. Step 2: Convert to fraction form
    914,379.77/1,261,830.76 = 506,480.28/x
  3. Step 3: Cross multiply
    914,379.77x = 1,261,830.76 × 506,480.28
  4. Step 4: Simplify right side
    914,379.77x = 639,092,390,639.35
  5. Step 5: Solve for x
    x = 639,092,390,639.35/914,379.77
  6. Step 6: Final answer
    x = 698,935.40

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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.