Home / 1,184,510.17-1,634,618.91-640,646.47

Finding the Fourth Proportional to 1,184,510.17, 1,634,618.91 and 640,646.47

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Solution

The fourth proportional to 1,184,510.17, 1,634,618.91 and 640,646.47 is: 884,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,510.17 : 1,634,618.91 = 640,646.47 : x
  2. Step 2: Convert to fraction form
    1,184,510.17/1,634,618.91 = 640,646.47/x
  3. Step 3: Cross multiply
    1,184,510.17x = 1,634,618.91 × 640,646.47
  4. Step 4: Simplify right side
    1,184,510.17x = 1,047,212,834,486.75
  5. Step 5: Solve for x
    x = 1,047,212,834,486.75/1,184,510.17
  6. Step 6: Final answer
    x = 884,089.36

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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.