Home / 862,071.95-1,189,569.80-530,875.24

Finding the Fourth Proportional to 862,071.95, 1,189,569.80 and 530,875.24

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Solution

The fourth proportional to 862,071.95, 1,189,569.80 and 530,875.24 is: 732,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,071.95 : 1,189,569.80 = 530,875.24 : x
  2. Step 2: Convert to fraction form
    862,071.95/1,189,569.80 = 530,875.24/x
  3. Step 3: Cross multiply
    862,071.95x = 1,189,569.80 × 530,875.24
  4. Step 4: Simplify right side
    862,071.95x = 631,513,151,425.02
  5. Step 5: Solve for x
    x = 631,513,151,425.02/862,071.95
  6. Step 6: Final answer
    x = 732,552.72

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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.