Home / 1,007,798.19-1,390,761.45-555,089.19

Finding the Fourth Proportional to 1,007,798.19, 1,390,761.45 and 555,089.19

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Solution

The fourth proportional to 1,007,798.19, 1,390,761.45 and 555,089.19 is: 766,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,798.19 : 1,390,761.45 = 555,089.19 : x
  2. Step 2: Convert to fraction form
    1,007,798.19/1,390,761.45 = 555,089.19/x
  3. Step 3: Cross multiply
    1,007,798.19x = 1,390,761.45 × 555,089.19
  4. Step 4: Simplify right side
    1,007,798.19x = 771,996,646,763.73
  5. Step 5: Solve for x
    x = 771,996,646,763.73/1,007,798.19
  6. Step 6: Final answer
    x = 766,023.05

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Double scale
Find fourth proportional to 1,007,799.19, 1,390,762.83 and 555,090.19
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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.