Home / 838,460.56-1,156,878.84-475,802.32

Finding the Fourth Proportional to 838,460.56, 1,156,878.84 and 475,802.32

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Solution

The fourth proportional to 838,460.56, 1,156,878.84 and 475,802.32 is: 656,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,460.56 : 1,156,878.84 = 475,802.32 : x
  2. Step 2: Convert to fraction form
    838,460.56/1,156,878.84 = 475,802.32/x
  3. Step 3: Cross multiply
    838,460.56x = 1,156,878.84 × 475,802.32
  4. Step 4: Simplify right side
    838,460.56x = 550,445,636,030.91
  5. Step 5: Solve for x
    x = 550,445,636,030.91/838,460.56
  6. Step 6: Final answer
    x = 656,495.56

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1.5x scale

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.