Home / 1,127,724-1,556,116.08-618,292.32

Finding the Fourth Proportional to 1,127,724, 1,556,116.08 and 618,292.32

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Solution

The fourth proportional to 1,127,724, 1,556,116.08 and 618,292.32 is: 853,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,724 : 1,556,116.08 = 618,292.32 : x
  2. Step 2: Convert to fraction form
    1,127,724/1,556,116.08 = 618,292.32/x
  3. Step 3: Cross multiply
    1,127,724x = 1,556,116.08 × 618,292.32
  4. Step 4: Simplify right side
    1,127,724x = 962,134,621,292.51
  5. Step 5: Solve for x
    x = 962,134,621,292.51/1,127,724
  6. Step 6: Final answer
    x = 853,164.98

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Double scale
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Similar ratio
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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.