Home / 914,008.79-1,261,316.68-506,101.86

Finding the Fourth Proportional to 914,008.79, 1,261,316.68 and 506,101.86

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Solution

The fourth proportional to 914,008.79, 1,261,316.68 and 506,101.86 is: 698,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,008.79 : 1,261,316.68 = 506,101.86 : x
  2. Step 2: Convert to fraction form
    914,008.79/1,261,316.68 = 506,101.86/x
  3. Step 3: Cross multiply
    914,008.79x = 1,261,316.68 × 506,101.86
  4. Step 4: Simplify right side
    914,008.79x = 638,354,716,531.77
  5. Step 5: Solve for x
    x = 638,354,716,531.77/914,008.79
  6. Step 6: Final answer
    x = 698,412.01

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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.