Home / 578,547.61-864,303.18-374,481.38

Finding the Fourth Proportional to 578,547.61, 864,303.18 and 374,481.38

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Solution

The fourth proportional to 578,547.61, 864,303.18 and 374,481.38 is: 559,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,547.61 : 864,303.18 = 374,481.38 : x
  2. Step 2: Convert to fraction form
    578,547.61/864,303.18 = 374,481.38/x
  3. Step 3: Cross multiply
    578,547.61x = 864,303.18 × 374,481.38
  4. Step 4: Simplify right side
    578,547.61x = 323,665,447,602.58
  5. Step 5: Solve for x
    x = 323,665,447,602.58/578,547.61
  6. Step 6: Final answer
    x = 559,444.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.