Home / 1,114,128.63-1,537,534.35-630,683.77

Finding the Fourth Proportional to 1,114,128.63, 1,537,534.35 and 630,683.77

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Solution

The fourth proportional to 1,114,128.63, 1,537,534.35 and 630,683.77 is: 870,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,128.63 : 1,537,534.35 = 630,683.77 : x
  2. Step 2: Convert to fraction form
    1,114,128.63/1,537,534.35 = 630,683.77/x
  3. Step 3: Cross multiply
    1,114,128.63x = 1,537,534.35 × 630,683.77
  4. Step 4: Simplify right side
    1,114,128.63x = 969,697,960,362.50
  5. Step 5: Solve for x
    x = 969,697,960,362.50/1,114,128.63
  6. Step 6: Final answer
    x = 870,364.46

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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.