Home / 895,303.77-1,235,478.90-487,395.18

Finding the Fourth Proportional to 895,303.77, 1,235,478.90 and 487,395.18

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Solution

The fourth proportional to 895,303.77, 1,235,478.90 and 487,395.18 is: 672,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,303.77 : 1,235,478.90 = 487,395.18 : x
  2. Step 2: Convert to fraction form
    895,303.77/1,235,478.90 = 487,395.18/x
  3. Step 3: Cross multiply
    895,303.77x = 1,235,478.90 × 487,395.18
  4. Step 4: Simplify right side
    895,303.77x = 602,166,460,851.70
  5. Step 5: Solve for x
    x = 602,166,460,851.70/895,303.77
  6. Step 6: Final answer
    x = 672,583.41

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Double scale
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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.