Home / 1,657,706.40-2,485,330.80-710,301.60

Finding the Fourth Proportional to 1,657,706.40, 2,485,330.80 and 710,301.60

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Solution

The fourth proportional to 1,657,706.40, 2,485,330.80 and 710,301.60 is: 1,064,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,706.40 : 2,485,330.80 = 710,301.60 : x
  2. Step 2: Convert to fraction form
    1,657,706.40/2,485,330.80 = 710,301.60/x
  3. Step 3: Cross multiply
    1,657,706.40x = 2,485,330.80 × 710,301.60
  4. Step 4: Simplify right side
    1,657,706.40x = 1,765,334,443,769.28
  5. Step 5: Solve for x
    x = 1,765,334,443,769.28/1,657,706.40
  6. Step 6: Final answer
    x = 1,064,925.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.