Home / 989,547.14-1,365,533.16-559,834.58

Finding the Fourth Proportional to 989,547.14, 1,365,533.16 and 559,834.58

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Solution

The fourth proportional to 989,547.14, 1,365,533.16 and 559,834.58 is: 772,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,547.14 : 1,365,533.16 = 559,834.58 : x
  2. Step 2: Convert to fraction form
    989,547.14/1,365,533.16 = 559,834.58/x
  3. Step 3: Cross multiply
    989,547.14x = 1,365,533.16 × 559,834.58
  4. Step 4: Simplify right side
    989,547.14x = 764,472,683,104.67
  5. Step 5: Solve for x
    x = 764,472,683,104.67/989,547.14
  6. Step 6: Final answer
    x = 772,548.02

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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.