Home / 914,547.40-1,371,821.10-578,624.20

Finding the Fourth Proportional to 914,547.40, 1,371,821.10 and 578,624.20

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Solution

The fourth proportional to 914,547.40, 1,371,821.10 and 578,624.20 is: 867,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,547.40 : 1,371,821.10 = 578,624.20 : x
  2. Step 2: Convert to fraction form
    914,547.40/1,371,821.10 = 578,624.20/x
  3. Step 3: Cross multiply
    914,547.40x = 1,371,821.10 × 578,624.20
  4. Step 4: Simplify right side
    914,547.40x = 793,768,886,530.62
  5. Step 5: Solve for x
    x = 793,768,886,530.62/914,547.40
  6. Step 6: Final answer
    x = 867,936.30

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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.