Home / 914,458.90-1,371,688.35-578,535.70

Finding the Fourth Proportional to 914,458.90, 1,371,688.35 and 578,535.70

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Solution

The fourth proportional to 914,458.90, 1,371,688.35 and 578,535.70 is: 867,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,458.90 : 1,371,688.35 = 578,535.70 : x
  2. Step 2: Convert to fraction form
    914,458.90/1,371,688.35 = 578,535.70/x
  3. Step 3: Cross multiply
    914,458.90x = 1,371,688.35 × 578,535.70
  4. Step 4: Simplify right side
    914,458.90x = 793,570,679,749.10
  5. Step 5: Solve for x
    x = 793,570,679,749.10/914,458.90
  6. Step 6: Final answer
    x = 867,803.55

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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.