Home / 693,090.37-1,038,186.67-557,421.19

Finding the Fourth Proportional to 693,090.37, 1,038,186.67 and 557,421.19

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Solution

The fourth proportional to 693,090.37, 1,038,186.67 and 557,421.19 is: 834,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,090.37 : 1,038,186.67 = 557,421.19 : x
  2. Step 2: Convert to fraction form
    693,090.37/1,038,186.67 = 557,421.19/x
  3. Step 3: Cross multiply
    693,090.37x = 1,038,186.67 × 557,421.19
  4. Step 4: Simplify right side
    693,090.37x = 578,707,251,929.48
  5. Step 5: Solve for x
    x = 578,707,251,929.48/693,090.37
  6. Step 6: Final answer
    x = 834,966.52

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Double scale
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1.5x scale

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.