Home / 917,451.45-1,266,075.51-503,995.14

Finding the Fourth Proportional to 917,451.45, 1,266,075.51 and 503,995.14

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Solution

The fourth proportional to 917,451.45, 1,266,075.51 and 503,995.14 is: 695,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,451.45 : 1,266,075.51 = 503,995.14 : x
  2. Step 2: Convert to fraction form
    917,451.45/1,266,075.51 = 503,995.14/x
  3. Step 3: Cross multiply
    917,451.45x = 1,266,075.51 × 503,995.14
  4. Step 4: Simplify right side
    917,451.45x = 638,095,903,913.02
  5. Step 5: Solve for x
    x = 638,095,903,913.02/917,451.45
  6. Step 6: Final answer
    x = 695,509.18

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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.