Home / 841,301.64-1,160,980.50-478,717.32

Finding the Fourth Proportional to 841,301.64, 1,160,980.50 and 478,717.32

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Solution

The fourth proportional to 841,301.64, 1,160,980.50 and 478,717.32 is: 660,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,301.64 : 1,160,980.50 = 478,717.32 : x
  2. Step 2: Convert to fraction form
    841,301.64/1,160,980.50 = 478,717.32/x
  3. Step 3: Cross multiply
    841,301.64x = 1,160,980.50 × 478,717.32
  4. Step 4: Simplify right side
    841,301.64x = 555,781,473,532.26
  5. Step 5: Solve for x
    x = 555,781,473,532.26/841,301.64
  6. Step 6: Final answer
    x = 660,620.93

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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.