Home / 1,130,705.20-1,696,057.80-657,924.40

Finding the Fourth Proportional to 1,130,705.20, 1,696,057.80 and 657,924.40

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Solution

The fourth proportional to 1,130,705.20, 1,696,057.80 and 657,924.40 is: 986,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,705.20 : 1,696,057.80 = 657,924.40 : x
  2. Step 2: Convert to fraction form
    1,130,705.20/1,696,057.80 = 657,924.40/x
  3. Step 3: Cross multiply
    1,130,705.20x = 1,696,057.80 × 657,924.40
  4. Step 4: Simplify right side
    1,130,705.20x = 1,115,877,810,430.32
  5. Step 5: Solve for x
    x = 1,115,877,810,430.32/1,130,705.20
  6. Step 6: Final answer
    x = 986,886.60

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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.