Home / 754,503.42-1,130,643.40-564,070.40

Finding the Fourth Proportional to 754,503.42, 1,130,643.40 and 564,070.40

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Solution

The fourth proportional to 754,503.42, 1,130,643.40 and 564,070.40 is: 845,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,503.42 : 1,130,643.40 = 564,070.40 : x
  2. Step 2: Convert to fraction form
    754,503.42/1,130,643.40 = 564,070.40/x
  3. Step 3: Cross multiply
    754,503.42x = 1,130,643.40 × 564,070.40
  4. Step 4: Simplify right side
    754,503.42x = 637,762,474,895.36
  5. Step 5: Solve for x
    x = 637,762,474,895.36/754,503.42
  6. Step 6: Final answer
    x = 845,274.47

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Double scale
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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.